The U.S. aircraft register, updated daily
Plan a flight · Tue 3:36 am CDT (08:36 UTC)

Dane County Rgnl/Truax Field to San Francisco International MSN → SFO

1,536 nautical miles (1,768 statute miles) west on a straight line, true course 269°, about 272° magnetic at the departure end (variation 3W). At 120 knots that is 13 h 01 min at the quickest height in today's winds (4,500 ft, a 2-knot headwind), arriving about 2:37 pm PDT (21:37 UTC). Right now MSN is VFR, wind variable at 6 knots; SFO is VFR, wind from the southwest (230°) at 5 knots. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 3 flights in the DOT's last twelve reported months, the route's page.

The return flight

The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words

Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

  • SIGMET C22C: thunderstorms (a convective SIGMET) up to 33,000 ft, moving from the southwest at 20 knots, until 4:55 am CDT (09:55 UTC). Over the route from 688 to 728 nm out.
    as issued
    WSUS32 KKCI 130755
    MKCC WST 130755
    CONVECTIVE SIGMET 22C
    VALID UNTIL 0955Z
    NE SD WY
    FROM 70NNW RAP-40ENE RAP-20WNW CYS-40NNW LAR-40E CZI-70NNW RAP
    AREA EMBD TS MOV FROM 24020KT. TOPS TO FL330.
  • AIRMET SIERRA 9E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 539 to 718 nm out.
  • AIRMET ZULU 1C: moderate icing up to 22,000 ft. Over the route from 639 to 1167 nm out.
  • AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 708 to 1197 nm out.
  • AIRMET TANGO 1W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 45,000 ft. Over the route from 728 to 848 nm out.
  • AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 748 to 798 nm out.
  • AIRMET SIERRA 11E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Near the route, 1157 nm along the route.
  • AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the route from 1237 to 1437 nm out.
  • AIRMET TANGO 5W: moderate turbulence below 18,000 ft from 14,000 ft to 18,000 ft. Over the route from 1307 to 1417 nm out.

Turbulence AIRMET in force: moderate turbulence (due to mountain wave) from 34,000 ft to 45,000 ft, over the route from 728 to 848 nm out; AIRMET in force: moderate turbulence (due to mountain wave) up to 22,000 ft, over the route from 748 to 798 nm out. No pilot has reported turbulence near the line in the last three hours. The government's turbulence forecast map ↗

Icing AIRMET in force: moderate icing up to 22,000 ft, over the route from 639 to 1167 nm out. No pilot has reported icing near the line in the last three hours. The freezing level is about 11,500 ft (from the winds-aloft temperatures), so icing is possible in cloud above that. The government's icing forecast map ↗

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from MSN.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

No pilot reports within 50 nautical miles of the line in the last three hours.

Winds aloft along the route, and the time en route the forecast for use 08:00–15:00 UTC · at 120 knots true airspeed

The westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 12 forecast points nearest it (DBQ, MCW, FSD, ONL, BFF, RKS, SLC, ELY, BAM, RNO, SAC, SFO). A plus sign is a headwind, a minus sign a tailwind.

HeightAverage windHead- or tailwindTemperatureGround speedTime en routeArrival
4,500 ft310° at 4 kt+2 kt14 °C118 kt13 h 01 min2:37 pm PDT (21:37 UTC)
6,500 ft280° at 8 kt+6 kt13 °C114 kt13 h 28 min3:04 pm PDT (22:04 UTC)
8,500 ft270° at 12 kt+11 kt6 °C109 kt14 h 06 min3:42 pm PDT (22:42 UTC)
10,500 ft270° at 13 kt+13 kt2 °C107 kt14 h 21 min3:57 pm PDT (22:57 UTC)
12,500 ft260° at 14 kt+13 kt-2 °C107 kt14 h 21 min3:57 pm PDT (22:57 UTC)
14,500 ft260° at 17 kt+16 kt-7 °C104 kt14 h 46 min4:22 pm PDT (23:22 UTC)
16,500 ft250° at 19 kt+18 kt-12 °C102 kt15 h 04 min4:40 pm PDT (23:40 UTC)
18,000 ft FL180250° at 22 kt+20 kt-15 °C100 kt15 h 22 min4:58 pm PDT (23:58 UTC)
24,000 ft FL240260° at 35 kt+33 kt-26 °C87 kt17 h 39 min7:15 pm PDT (02:15 UTC)
30,000 ft FL300250° at 59 kt+56 kt-34 °C64 kt24 h1:36 am PDT (08:36 UTC)
34,000 ft FL340250° at 63 kt+60 kt-40 °C60 kt25 h 36 min3:12 am PDT (10:12 UTC)
39,000 ft FL390250° at 60 kt+58 kt-46 °C62 kt24 h 46 min2:22 am PDT (09:22 UTC)

Based on data from the 13th at 06:00 UTC; valid on the 13th at 12:00 UTC for use 08:00 to 15:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.

The forecast points as issued
PointFrom3,0006,0009,00012,00018,00024,00030,00034,00039,000
DBQused from 0 nm out; 56 nm from the line300/20270/37 18°280/37 11°280/38 3°260/50 -10°270/53 -20°280/78 -29°280/82 -37°290/85 -49°
MCWused from 100 nm out; 51 nm from the line330/20280/29 18°280/36 10°280/36 4°260/35 -12°260/52 -20°270/91 -29°270/96 -37°270/88 -48°
FSDused from 249 nm out; 66 nm from the line360/17300/14 15°240/25 10°260/30 3°250/29 -13°250/47 -22°250/107 -29°250/111 -36°250/101 -48°
ONLused from 349 nm out; 40 nm from the line150/16 14°230/21 12°240/23 4°240/44 -11°250/66 -23°240/109 -29°240/109 -37°250/104 -48°
BFFused from 549 nm out; 62 nm from the line110/11240/19 9°220/29 3°230/34 -13°230/57 -25°220/109 -31°220/125 -38°220/123 -48°
RKSused from 748 nm out; 108 nm from the line220/14200/16 -3°200/39 -16°220/51 -25°210/64 -40°210/73 -42°210/80 -43°
SLCused from 948 nm out; 47 nm from the line250/5190/12 -1°180/13 -6°180/19 -20°190/41 -31°200/62 -38°210/51 -41°210/39 -42°
ELYused from 1097 nm out; 56 nm from the line340/15 -5°L/V -10°210/18 -23°220/28 -38°230/29 -33°260/22 -36°240/19 -41°
BAMused from 1247 nm out; 84 nm from the line010/19 -6°050/10 -11°080/20 -25°080/31 -34°010/28 -33°360/27 -37°340/15 -42°
RNOused from 1297 nm out; 83 nm from the line010/9030/15 -7°030/21 -11°360/56 -18°350/99 -22°340/95 -39°340/85 -46°350/40 -45°
SACused from 1397 nm out; 65 nm from the line350/16350/30 5°340/32 1°350/45 -2°340/63 -12°340/67 -23°340/73 -39°330/76 -49°330/72 -55°
SFOused from 1497 nm out; 20 nm from the line360/13010/17 5°350/26 4°350/42 2°340/51 -11°340/59 -23°330/69 -39°330/67 -49°330/71 -55°

The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch

AirportWhereConditionsWindVisibilityCeilingElevationReported
MSN Madison, WI departure VFR variable at 6 knots 10+ mi none 886 ft 2:53 am CDT (07:53 UTC)
OVS Boscobel, WI 60 nm out, 3 nm northeast of the line VFR from the southwest (230°) at 8 knots 10+ mi none 672 ft 07:53 UTC
LRJ Le Mars, IA 299 nm out, 4 nm southwest of the line marginal VFR Sky: overcast at 1,300 feet from the northwest (320°) at 8 knots, gusting to 14 10+ mi 1,300 ft 1,197 ft 08:15 UTC
RBE Bassett, NE 449 nm out, 3 nm northwest of the line no report just now 2,349 ft
AIA Alliance, NE 599 nm out, 5 nm south of the line IFR Sky: overcast at 800 feet from the east-northeast (060°) at 5 knots 10+ mi 800 ft 3,930 ft 07:53 UTC
GUR Guernsey, WY 678 nm out, 23 nm north of the line, tower marginal VFR Sky: scattered clouds at 700 feet, a broken layer at 1,200 feet, a broken layer at 5,500 feet from the southeast (130°) at 4 knots 10+ mi 1,200 ft 4,401 ft 08:25 UTC
SAA Saratoga, WY 778 nm out, 6 nm southwest of the line VFR Sky: scattered clouds at 4,100 feet, overcast at 4,800 feet Weather: light rain calm 10+ mi 4,800 ft 7,014 ft 08:10 UTC
SLC Salt Lake City, UT 1018 nm out, 16 nm north of the line, tower VFR Sky: a few clouds at 2,700 feet, scattered clouds at 4,800 feet, a broken layer at 7,000 feet from the south-southwest (210°) at 7 knots, gusting to 16 10+ mi 7,000 ft 4,230 ft 07:54 UTC
GAB Gabbs, NV 1317 nm out, 5 nm southeast of the line no report just now 4,699 ft
LVK Livermore, CA 1507 nm out, 7 nm south of the line, tower VFR calm 10+ mi none 399 ft 07:53 UTC
SFO San Francisco, CA destination VFR Sky: a few clouds at 900 feet from the southwest (230°) at 5 knots 10+ mi none 13 ft 12:56 am PDT (07:56 UTC)

The highest airport on this list sits at 7,014 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

The codes as issued, and in English, for every airport in the table

MSN Madison, WI

the observation and the forecast as issued, and in English
METAR KMSN 130753Z AUTO VRB06KT 10SM CLR 23/18 A2967 RMK AO2 SLP041 T02330178 $
METAR
a routine hourly observation
KMSN
the station, KMSN
130753Z
observed 2:53 am CDT (07:53 UTC)
AUTO
fully automated report, nobody checked it
VRB06KT
wind light and variable
10SM
visibility 10 miles
CLR
clear skies
23/18
temperature 23 °C (73 °F), dew point 18 °C (64 °F)
A2967
altimeter setting 29.67 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP041
sea-level pressure 1004.1 hPa
T02330178
temperature 23.3 °C (74 °F), dew point 17.8 °C (64 °F)
$
the station needs maintenance
TAF KMSN 130520Z 1306/1406 23010KT P6SM SKC WS020/25045KT FM130900 30010KT P6SM FEW250 FM140000 00000KT P6SM SCT100
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KMSN
the station, KMSN
130520Z
issued 12:20 am CDT (05:20 UTC)
1306/1406 23010KT P6SM SKC WS020/25045KT
valid from Tue 1:00 am CDT (06:00 UTC) to Wed 1:00 am CDT (06:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, clear skies, wind shear below 2,000 feet: wind from 250° at 45 knots above it
FM130900 30010KT P6SM FEW250
from Tue 4:00 am CDT (09:00 UTC): wind from the west-northwest at 10 knots, visibility more than 6 miles, a few clouds at 25,000 feet
FM140000 00000KT P6SM SCT100
from Tue 7:00 pm CDT (00:00 UTC): wind calm, visibility more than 6 miles, scattered clouds at 10,000 feet

OVS Boscobel, WI

the observation as issued, and in English
METAR KOVS 130753Z AUTO 23008KT 10SM CLR 21/15 A2973 RMK AO2 SLP064 T02060150
METAR
a routine hourly observation
KOVS
the station, KOVS
130753Z
observed 07:53 UTC on the 13th
AUTO
fully automated report, nobody checked it
23008KT
wind from the southwest at 8 knots
10SM
visibility 10 miles
CLR
clear skies
21/15
temperature 21 °C (70 °F), dew point 15 °C (59 °F)
A2973
altimeter setting 29.73 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP064
sea-level pressure 1006.4 hPa
T02060150
temperature 20.6 °C (69 °F), dew point 15 °C (59 °F)

LRJ Le Mars, IA

the observation as issued, and in English
METAR KLRJ 130815Z AUTO 32008G14KT 10SM OVC013 A2989 RMK AO2
METAR
a routine hourly observation
KLRJ
the station, KLRJ
130815Z
observed 08:15 UTC on the 13th
AUTO
fully automated report, nobody checked it
32008G14KT
wind from the northwest at 8 knots, gusting to 14
10SM
visibility 10 miles
OVC013
overcast at 1,300 feet
A2989
altimeter setting 29.89 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor

AIA Alliance, NE

the observation and the forecast as issued, and in English
METAR KAIA 130753Z AUTO 06005KT 10SM OVC008 08/06 A2996 RMK AO2 SLP126 T00780056
METAR
a routine hourly observation
KAIA
the station, KAIA
130753Z
observed 07:53 UTC on the 13th
AUTO
fully automated report, nobody checked it
06005KT
wind from the east-northeast at 5 knots
10SM
visibility 10 miles
OVC008
overcast at 800 feet
08/06
temperature 8 °C (46 °F), dew point 6 °C (43 °F)
A2996
altimeter setting 29.96 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP126
sea-level pressure 1012.6 hPa
T00780056
temperature 7.8 °C (46 °F), dew point 5.6 °C (42 °F)
TAF KAIA 130520Z 1306/1406 05006KT P6SM VCFG OVC015 FM130800 08006KT P6SM VCFG OVC008 FM131500 VRB06KT P6SM BKN015 FM132000 06010KT P6SM SCT050
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KAIA
the station, KAIA
130520Z
issued 05:20 UTC on the 13th
1306/1406 05006KT P6SM VCFG OVC015
valid from Tue 06:00 UTC to Wed 06:00 UTC: wind from the northeast at 6 knots, visibility more than 6 miles, fog nearby, overcast at 1,500 feet
FM130800 08006KT P6SM VCFG OVC008
from Tue 08:00 UTC: wind from the east at 6 knots, visibility more than 6 miles, fog nearby, overcast at 800 feet
FM131500 VRB06KT P6SM BKN015
from Tue 15:00 UTC: wind light and variable, visibility more than 6 miles, a broken layer at 1,500 feet
FM132000 06010KT P6SM SCT050
from Tue 20:00 UTC: wind from the east-northeast at 10 knots, visibility more than 6 miles, scattered clouds at 5,000 feet

GUR Guernsey, WY

the observation and the forecast as issued, and in English
SPECI KGUR 130825Z AUTO 13004KT 10SM SCT007 BKN012 BKN055 08/07 A2997 RMK AO2 CIG 012V060 BKN012 V SCT SLP144
SPECI
a special observation, issued because the weather changed
KGUR
the station, KGUR
130825Z
observed 08:25 UTC on the 13th
AUTO
fully automated report, nobody checked it
13004KT
wind from the southeast at 4 knots
10SM
visibility 10 miles
SCT007
scattered clouds at 700 feet
BKN012
a broken layer at 1,200 feet
BKN055
a broken layer at 5,500 feet
08/07
temperature 8 °C (46 °F), dew point 7 °C (45 °F)
A2997
altimeter setting 29.97 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
CIG 012V060
ceiling varying between 1,200 and 6,000 feet
BKN012 V SCT
the layer at 1,200 feet varies between broken and scattered
SLP144
sea-level pressure 1014.4 hPa
TAF KGUR 130500Z 1305/1411 07005KT 9999 SCT070 BKN100 QNH2993INS BECMG 1311/1312 13006KT 9000 BR OVC005 QNH2996INS BECMG 1314/1315 13006KT 9999 NSW SCT020 BKN050 QNH2998INS BECMG 1401/1402 VRB06KT 9999 -RA BKN040 OVC055 QNH3002INS TX16/1323Z TN06/1313Z
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KGUR
the station, KGUR
130500Z
issued 05:00 UTC on the 13th
1305/1411 07005KT 9999 SCT070 BKN100 QNH2993INS
valid from Tue 05:00 UTC to Wed 11:00 UTC: wind from the east-northeast at 5 knots, 9999, scattered clouds at 7,000 feet, a broken layer at 10,000 feet, lowest altimeter setting expected 29.93 inches
BECMG 1311/1312 13006KT 9000 BR OVC005 QNH2996INS
becoming from Tue 11:00 UTC to Tue 12:00 UTC: wind from the southeast at 6 knots, 9000, mist, overcast at 500 feet, lowest altimeter setting expected 29.96 inches
BECMG 1314/1315 13006KT 9999 NSW SCT020 BKN050 QNH2998INS
becoming from Tue 14:00 UTC to Tue 15:00 UTC: wind from the southeast at 6 knots, 9999, no significant weather, scattered clouds at 2,000 feet, a broken layer at 5,000 feet, lowest altimeter setting expected 29.98 inches
BECMG 1401/1402 VRB06KT 9999 -RA BKN040 OVC055 QNH3002INS TX16/1323Z TN06/1313Z
becoming from Wed 01:00 UTC to Wed 02:00 UTC: wind light and variable, 9999, light rain, a broken layer at 4,000 feet, overcast at 5,500 feet, lowest altimeter setting expected 30.02 inches, tx16/1323z, tn06/1313z

SAA Saratoga, WY

the observation as issued, and in English
METAR KSAA 130810Z AUTO 10SM -RA SCT041 OVC048 07/07 A2998 RMK AO2
METAR
a routine hourly observation
KSAA
the station, KSAA
130810Z
observed 08:10 UTC on the 13th
AUTO
fully automated report, nobody checked it
10SM
visibility 10 miles
-RA
light rain
SCT041
scattered clouds at 4,100 feet
OVC048
overcast at 4,800 feet
07/07
temperature 7 °C (45 °F), dew point 7 °C (45 °F)
A2998
altimeter setting 29.98 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor

SLC Salt Lake City, UT

the observation and the forecast as issued, and in English
METAR KSLC 130754Z 21007G16KT 10SM FEW027 SCT048 BKN070 10/06 A2983 RMK AO2 SLP081 T01000061 $
METAR
a routine hourly observation
KSLC
the station, KSLC
130754Z
observed 07:54 UTC on the 13th
21007G16KT
wind from the south-southwest at 7 knots, gusting to 16
10SM
visibility 10 miles
FEW027
a few clouds at 2,700 feet
SCT048
scattered clouds at 4,800 feet
BKN070
a broken layer at 7,000 feet
10/06
temperature 10 °C (50 °F), dew point 6 °C (43 °F)
A2983
altimeter setting 29.83 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP081
sea-level pressure 1008.1 hPa
T01000061
temperature 10 °C (50 °F), dew point 6.1 °C (43 °F)
$
the station needs maintenance
TAF KSLC 130520Z 1306/1412 34005KT P6SM -SHRA FEW007 BKN035 OVC050 PROB30 1306/1310 4SM -RA BKN007 OVC020 FM131000 15005KT P6SM -SHRA SCT007 BKN020 OVC030 FM131600 31008KT P6SM -SHRA BKN020 OVC035 FM132100 34009KT P6SM -SHRA FEW030 OVC040
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KSLC
the station, KSLC
130520Z
issued 05:20 UTC on the 13th
1306/1412 34005KT P6SM -SHRA FEW007 BKN035 OVC050
valid from Tue 06:00 UTC to Wed 12:00 UTC: wind from the north-northwest at 5 knots, visibility more than 6 miles, light rain showers, a few clouds at 700 feet, a broken layer at 3,500 feet, overcast at 5,000 feet
PROB30 1306/1310 4SM -RA BKN007 OVC020
a 30% chance from Tue 06:00 UTC to Tue 10:00 UTC: visibility 4 miles, light rain, a broken layer at 700 feet, overcast at 2,000 feet
FM131000 15005KT P6SM -SHRA SCT007 BKN020 OVC030
from Tue 10:00 UTC: wind from the south-southeast at 5 knots, visibility more than 6 miles, light rain showers, scattered clouds at 700 feet, a broken layer at 2,000 feet, overcast at 3,000 feet
FM131600 31008KT P6SM -SHRA BKN020 OVC035
from Tue 16:00 UTC: wind from the northwest at 8 knots, visibility more than 6 miles, light rain showers, a broken layer at 2,000 feet, overcast at 3,500 feet
FM132100 34009KT P6SM -SHRA FEW030 OVC040
from Tue 21:00 UTC: wind from the north-northwest at 9 knots, visibility more than 6 miles, light rain showers, a few clouds at 3,000 feet, overcast at 4,000 feet

LVK Livermore, CA

the observation and the forecast as issued, and in English
METAR KLVK 130753Z AUTO 00000KT 10SM CLR 11/06 A2998 RMK AO2 SLP151 T01060056 402170078
METAR
a routine hourly observation
KLVK
the station, KLVK
130753Z
observed 07:53 UTC on the 13th
AUTO
fully automated report, nobody checked it
00000KT
wind calm
10SM
visibility 10 miles
CLR
clear skies
11/06
temperature 11 °C (52 °F), dew point 6 °C (43 °F)
A2998
altimeter setting 29.98 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP151
sea-level pressure 1015.1 hPa
T01060056
temperature 10.6 °C (51 °F), dew point 5.6 °C (42 °F)
402170078
24-hour highest 21.7 °C (71 °F), lowest 7.8 °C (46 °F)
TAF KLVK 130520Z 1306/1406 VRB03KT P6SM SKC FM132100 35008KT P6SM SKC FM140300 20005KT P6SM SKC
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KLVK
the station, KLVK
130520Z
issued 05:20 UTC on the 13th
1306/1406 VRB03KT P6SM SKC
valid from Tue 06:00 UTC to Wed 06:00 UTC: wind light and variable, visibility more than 6 miles, clear skies
FM132100 35008KT P6SM SKC
from Tue 21:00 UTC: wind from the north at 8 knots, visibility more than 6 miles, clear skies
FM140300 20005KT P6SM SKC
from Wed 03:00 UTC: wind from the south-southwest at 5 knots, visibility more than 6 miles, clear skies

SFO San Francisco, CA

the observation and the forecast as issued, and in English
METAR KSFO 130756Z 23005KT 10SM FEW009 13/09 A2999 RMK AO2 SLP156 T01330094 402060100 $
METAR
a routine hourly observation
KSFO
the station, KSFO
130756Z
observed 12:56 am PDT (07:56 UTC)
23005KT
wind from the southwest at 5 knots
10SM
visibility 10 miles
FEW009
a few clouds at 900 feet
13/09
temperature 13 °C (55 °F), dew point 9 °C (48 °F)
A2999
altimeter setting 29.99 inches of mercury
RMK
remarks follow
AO2
automated station with a precipitation sensor
SLP156
sea-level pressure 1015.6 hPa
T01330094
temperature 13.3 °C (56 °F), dew point 9.4 °C (49 °F)
402060100
24-hour highest 20.6 °C (69 °F), lowest 10 °C (50 °F)
$
the station needs maintenance
TAF KSFO 130831Z 1309/1412 23005KT P6SM FEW009 FM132000 32011KT P6SM SKC FM140400 28006KT P6SM SKC
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KSFO
the station, KSFO
130831Z
issued 1:31 am PDT (08:31 UTC)
1309/1412 23005KT P6SM FEW009
valid from Tue 2:00 am PDT (09:00 UTC) to Wed 5:00 am PDT (12:00 UTC): wind from the southwest at 5 knots, visibility more than 6 miles, a few clouds at 900 feet
FM132000 32011KT P6SM SKC
from Tue 1:00 pm PDT (20:00 UTC): wind from the northwest at 11 knots, visibility more than 6 miles, clear skies
FM140400 28006KT P6SM SKC
from Tue 9:00 pm PDT (04:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies

At SFO when you get there the forecast at the estimated arrival, 2:37 pm PDT (21:37 UTC)

Wind from the northwest at 11 knots, visibility more than 6 miles, clear skies VFR

The whole forecast for SFO
  • From Tue 2:00 am PDT (09:00 UTC): wind from the southwest at 5 knots, visibility more than 6 miles, a few clouds at 900 feet
  • From Tue 1:00 pm PDT (20:00 UTC): wind from the northwest at 11 knots, visibility more than 6 miles, clear skies
  • From Tue 9:00 pm PDT (04:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies
The forecast for MSN, the departure
  • From Tue 1:00 am CDT (06:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, low-level wind shear, clear skies
  • From Tue 4:00 am CDT (09:00 UTC): wind from the west-northwest at 10 knots, visibility more than 6 miles, a few clouds at 25,000 feet
  • From Tue 7:00 pm CDT (00:00 UTC): wind calm, visibility more than 6 miles, scattered clouds at 10,000 feet

SFO:

the forecast as issued, and in English
TAF KSFO 130831Z 1309/1412 23005KT P6SM FEW009 FM132000 32011KT P6SM SKC FM140400 28006KT P6SM SKC
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KSFO
the station, KSFO
130831Z
issued 1:31 am PDT (08:31 UTC)
1309/1412 23005KT P6SM FEW009
valid from Tue 2:00 am PDT (09:00 UTC) to Wed 5:00 am PDT (12:00 UTC): wind from the southwest at 5 knots, visibility more than 6 miles, a few clouds at 900 feet
FM132000 32011KT P6SM SKC
from Tue 1:00 pm PDT (20:00 UTC): wind from the northwest at 11 knots, visibility more than 6 miles, clear skies
FM140400 28006KT P6SM SKC
from Tue 9:00 pm PDT (04:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies

MSN:

the forecast as issued, and in English
TAF KMSN 130520Z 1306/1406 23010KT P6SM SKC WS020/25045KT FM130900 30010KT P6SM FEW250 FM140000 00000KT P6SM SCT100
TAF
a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
KMSN
the station, KMSN
130520Z
issued 12:20 am CDT (05:20 UTC)
1306/1406 23010KT P6SM SKC WS020/25045KT
valid from Tue 1:00 am CDT (06:00 UTC) to Wed 1:00 am CDT (06:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, clear skies, wind shear below 2,000 feet: wind from 250° at 45 knots above it
FM130900 30010KT P6SM FEW250
from Tue 4:00 am CDT (09:00 UTC): wind from the west-northwest at 10 knots, visibility more than 6 miles, a few clouds at 25,000 feet
FM140000 00000KT P6SM SCT100
from Tue 7:00 pm CDT (00:00 UTC): wind calm, visibility more than 6 miles, scattered clouds at 10,000 feet

Temporary flight restrictions on the line or within 25 nm of it

No temporary flight restriction on or near this route right now.

Notices to air missions closures and things out of service at both ends; airspace, navigation aids and obstructions near the line

MSN: 18 notices in force. all of them, grouped →

SFO: 126 notices in force, 2 starting within a week. all of them, grouped →

  • closed Taxiway A between taxiway D and taxiway K closed to aircraft wingspan more than 117 ft until Tue 13 Oct, 3:00 am PDT (10:00 UTC) · SFO 10/120
    as issued
    !SFO 10/120 SFO TWY A BTN TWY D AND TWY K CLSD TO ACFT WINGSPAN MORE THAN 117FT 2610130809-2610131000
  • closed Taxiway D between taxiway A and taxiway B closed until Tue 13 Oct, 3:00 am PDT (10:00 UTC) · SFO 10/116
    as issued
    !SFO 10/116 SFO TWY D BTN TWY A AND TWY B CLSD 2610130800-2610131000
  • closed Taxiway L between runway 10L/28R and runway 10R/28L closed until Tue 13 Oct, 8:00 am PDT (15:00 UTC) · SFO 10/117
    as issued
    !SFO 10/117 SFO TWY L BTN RWY 10L/28R AND RWY 10R/28L CLSD 2610130700-2610131500
  • closed Taxiway F between taxiway B and taxiway L closed until Thu 19 Nov, 11:59 pm PST (07:59 UTC) · SFO 09/287
    as issued
    !SFO 09/287 SFO TWY F BTN TWY B AND TWY L CLSD 2609260720-2611200759

Airports along the way: AIA runway 08/26 closed runway 17/35 closed · SLC runway 14/32 closed · LVK airport closed

118 notices near the line, the first 30 (airspace and special activity within 25 nm, navigation aids within 25 nm, obstructions within 5 nm):

  • Obstruction tower lights (ASR 1300565) 43°02′N 90°03′W (11.4 nautical miles southeast LNR) 1,464 ft (306 ft above ground level) out of service until Thu 19 Nov, 3:38 pm CST (21:38 UTC), estimated · 30 nm along the route, 5 nm off the line · LNR 10/001
    as issued
    !LNR 10/001 LNR OBST TOWER LGT (ASR 1300565) 430246.90N0900313.20W (11.4NM SE LNR) 1464FT (306FT AGL) U/S 2610051540-2611192138EST
  • Obstruction tower lights (ASR 1047769) 43°02′N 90°42′W (7.0 nautical miles south OVS) 1472.1FT (240.2FT above ground level) out of service until Wed 2 Dec, 5:59 pm CST (23:59 UTC) · 60 nm along the route, 4 nm off the line · OVS 10/001
    as issued
    !OVS 10/001 OVS OBST TOWER LGT (ASR 1047769) 430244.10N0904209.20W (7.0NM S OVS) 1472.1FT (240.2FT AGL) U/S 2610020620-2612022359
  • Obstruction tower lights (ASR 1285152) 43°07′N 91°02′W (7.6 nautical miles NNE PDC) 1500.0FT (258.9FT above ground level) out of service until Wed 28 Oct, 12:18 am CDT (05:18 UTC) · 70 nm along the route, 5 nm off the line · PDC 10/004
    as issued
    !PDC 10/004 PDC OBST TOWER LGT (ASR 1285152) 430741.90N0910203.50W (7.6NM NNE PDC) 1500.0FT (258.9FT AGL) U/S 2610130618-2610280518
  • Obstruction tower lights (ASR 1300213) 43°11′N 91°20′W (7.4 nautical miles southeast Y01) 1514.1FT (309.1FT above ground level) out of service until Wed 25 Nov, 5:59 pm CST (23:59 UTC) · 90 nm along the route, 6 nm off the line · Y01 09/239
    as issued
    !FOD 09/239 Y01 OBST TOWER LGT (ASR 1300213) 431141.10N0912053.30W (7.4NM SE Y01) 1514.1FT (309.1FT AGL) U/S 2609251549-2611252359
  • Obstruction tower lights (ASR 1017697) 43°03′N 91°30′W (13.4 nautical miles south Y01) 1586.9FT (399.9FT above ground level) out of service until Wed 4 Nov, 5:59 pm CST (23:59 UTC) · 100 nm along the route, 5 nm off the line · Y01 10/058
    as issued
    !FOD 10/058 Y01 OBST TOWER LGT (ASR 1017697) 430335.00N0913012.00W (13.4NM S Y01) 1586.9FT (399.9FT AGL) U/S 2610051617-2611042359
  • Obstruction tower lights (ASR 1246719) 42°57′N 91°49′W (2.2 nautical miles southwest 3Y2) 1436.0FT (265.1FT above ground level) out of service until Wed 2 Dec, 5:59 pm CST (23:59 UTC) · 110 nm along the route, 7 nm off the line · 3Y2 10/032
    as issued
    !FOD 10/032 3Y2 OBST TOWER LGT (ASR 1246719) 425747.30N0914946.20W (2.2NM SW 3Y2) 1436.0FT (265.1FT AGL) U/S 2610021822-2612022359
  • Obstruction tower lights (ASR 1237171) 43°03′N 92°03′W (12.4 nautical miles east 1Y5) 1425.9FT (315.0FT above ground level) out of service until Thu 26 Nov, 5:59 pm CST (23:59 UTC) · on the line, 120 nm along · 1Y5 09/252
    as issued
    !FOD 09/252 1Y5 OBST TOWER LGT (ASR 1237171) 430335.60N0920341.90W (12.4NM E 1Y5) 1425.9FT (315.0FT AGL) U/S 2609270201-2611262359
  • Obstruction tower lights (ASN 2024-WTE-6525-OE) 43°11′N 92°26′W (7.5 nautical miles northwest 1Y5) 1,421 ft (267 ft above ground level) out of service until Thu 19 Nov, 4:13 pm CST (22:13 UTC), estimated · 130 nm along the route, 3 nm off the line · 1Y5 10/072
    as issued
    !FOD 10/072 1Y5 OBST TOWER LGT (ASN 2024-WTE-6525-OE) 431127N0922614W (7.5NM NW 1Y5) 1421FT (267FT AGL) U/S 2610051617-2611192213EST
  • Obstruction tower lights (ASN 2024-WTE-2380-OE) 43°04′N 92°49′W (9.3 nautical miles west CCY) 1,380 ft (267 ft above ground level) out of service until Thu 19 Nov, 3:47 pm CST (21:47 UTC), estimated · 150 nm along the route, 4 nm off the line · CCY 10/001
    as issued
    !CCY 10/001 CCY OBST TOWER LGT (ASN 2024-WTE-2380-OE) 430405N0924916W (9.3NM W CCY) 1380FT (267FT AGL) U/S 2610051549-2611192147EST
  • Obstruction wind Turbine lights (ASN 2024-WTE-2381-OE) 42°58′N 92°46′W (9.2 nautical miles southwest CCY) 1,278 ft (267 ft above ground level) out of service until Sun 8 Nov, 12:09 am CST (06:09 UTC) · 150 nm along the route, 4 nm off the line · CCY 09/004
    as issued
    !CCY 09/004 CCY OBST WIND TURBINE LGT (ASN 2024-WTE-2381-OE) 425834N0924626W (9.2NM SW CCY) 1278FT (267FT AGL) U/S 2609231107-2611080609
  • Obstruction tower lights (ASR 1018197) 43°07′N 93°14′W (4.6 nautical miles ESE MCW) 1468.5FT (298.6FT above ground level) out of service until Wed 14 Oct, 6:59 pm CDT (23:59 UTC) · 170 nm along the route, 6 nm off the line · MCW 09/002
    as issued
    !MCW 09/002 MCW OBST TOWER LGT (ASR 1018197) 430707.00N0931423.00W (4.6NM ESE MCW) 1468.5FT (298.6FT AGL) U/S 2609022102-2610142359
  • Obstruction tower lights (ASR 1048371) 43°06′N 93°31′W (8.5 nautical miles SSE FXY) 1462.9FT (214.9FT above ground level) out of service until Thu 19 Nov, 6:31 am CST (12:31 UTC) · 180 nm along the route, 8 nm off the line · FXY 10/053
    as issued
    !FOD 10/053 FXY OBST TOWER LGT (ASR 1048371) 430647.00N0933123.00W (8.5NM SSE FXY) 1462.9FT (214.9FT AGL) U/S 2610051231-2611191231
  • Obstruction tower lights (ASN 2019-ACE-5584-OE) 42°50′N 93°58′W (7.9 nautical miles NNW EAG) 1,381 ft (250 ft above ground level) out of service until Wed 28 Oct, 6:00 pm CDT (23:00 UTC) · 200 nm along the route, 10 nm off the line · EAG 09/258
    as issued
    !FOD 09/258 EAG OBST TOWER LGT (ASN 2019-ACE-5584-OE) 425005N0935814W (7.9NM NNW EAG) 1381FT (250FT AGL) U/S 2609281222-2610282300
  • Obstruction tower lights (ASN 2020-WTE-3360-OE) 42°59′N 94°11′W (6.4 nautical miles southeast AXA) 1,435 ft (291 ft above ground level) out of service until Mon 26 Oct, 6:59 pm CDT (23:59 UTC) · 210 nm along the route, 4 nm off the line · AXA 09/004
    as issued
    !AXA 09/004 AXA OBST TOWER LGT (ASN 2020-WTE-3360-OE) 425936N0941105W (6.4NM SE AXA) 1435FT (291FT AGL) U/S 2609262149-2610262359
  • Navigation aid ILS runway 06 outer marker out of service until Thu 12 Nov, 2:00 pm CST (20:00 UTC), estimated · 219 nm along the route, 25 nm off the line · FOD 06/230
    as issued
    !FOD 06/230 FOD NAV ILS RWY 06 OM U/S 2606260835-2611122000EST
  • Obstruction tower lights (ASR 1258914) 42°51′N 94°51′W (11.6 nautical miles northwest POH) 1561.4FT (264.8FT above ground level) out of service until Thu 19 Nov, 5:23 am CST (11:23 UTC) · 239 nm along the route, 6 nm off the line · POH 07/269
    as issued
    !FOD 07/269 POH OBST TOWER LGT (ASR 1258914) 425103.20N0945154.20W (11.6NM NW POH) 1561.4FT (264.8FT AGL) U/S 2607221123-2611191123
  • Navigation aid ILS runway 12 outer marker out of service until Wed 16 Dec, 2:00 pm CST (20:00 UTC), estimated · 259 nm along the route, 16 nm off the line · SPW 06/009
    as issued
    !SPW 06/009 SPW NAV ILS RWY 12 OM U/S 2606161435-2612162000EST
  • Obstruction tower lights (ASR 1245937) 42°45′N 95°33′W (1.2 nautical miles northeast CKP) 1369.1FT (134.8FT above ground level) out of service until Mon 7 Dec, 9:16 pm CST (03:16 UTC) · 269 nm along the route, 9 nm off the line · CKP 10/004
    as issued
    !CKP 10/004 CKP OBST TOWER LGT (ASR 1245937) 424503.70N0953318.20W (1.2NM NE CKP) 1369.1FT (134.8FT AGL) U/S 2610080316-2612080316
  • Navigation aid ILS runway 13 outer marker out of service until Fri 18 Dec, 3:11 pm CST (21:11 UTC), estimated · 309 nm along the route, 25 nm off the line · SUX 05/100
    as issued
    !SUX 05/100 SUX NAV ILS RWY 13 OM U/S 2605202315-2612182111EST
  • Obstruction tower lights (ASN 2024-ACE-5780-OE) 42°54′N 96°30′W (15.8 nautical miles WNW LRJ) 1,512 ft (310 ft above ground level) out of service until Fri 6 Nov, 2:45 am CST (08:45 UTC) · 319 nm along the route, 7 nm off the line · LRJ 09/004
    as issued
    !LRJ 09/004 LRJ OBST TOWER LGT (ASN 2024-ACE-5780-OE) 425428N0963025W (15.8NM WNW LRJ) 1512FT (310FT AGL) U/S 2609220846-2611060845
  • Obstruction tower lights (ASN 2010-ACE-693-OE) 42°39′N 96°53′W (6.7 nautical miles SSE VMR) 1,712 ft (300 ft above ground level) out of service until Thu 5 Nov, 5:00 pm CST (23:00 UTC) · 329 nm along the route, 8 nm off the line · VMR 10/020
    as issued
    !HON 10/020 VMR OBST TOWER LGT (ASN 2010-ACE-693-OE) 423932N0965312W (6.7NM SSE VMR) 1712FT (300FT AGL) U/S 2610052244-2611052300
  • Obstruction tower lights (ASN 2012-WTE-4858-OE) 42°42′N 97°33′W (8.9 nautical miles northeast 84Y) 2,134 ft (410 ft above ground level) out of service until Fri 30 Oct, 6:59 pm CDT (23:59 UTC) · 359 nm along the route, 3 nm off the line · 84Y 10/029
    as issued
    !OLU 10/029 84Y OBST TOWER LGT (ASN 2012-WTE-4858-OE) 424203N0973321W (8.9NM NE 84Y) 2134FT (410FT AGL) U/S 2610051137-2610302359
  • Obstruction tower lights (ASR 1268073) 42°43′N 97°27′W (11.6 nautical miles northwest 0B4) 1899.6FT (349.7FT above ground level) out of service until Tue 3 Nov, 5:59 pm CST (23:59 UTC) · 359 nm along the route, 2 nm off the line · 0B4 09/013
    as issued
    !OLU 09/013 0B4 OBST TOWER LGT (ASR 1268073) 424336.50N0972716.50W (11.6NM NW 0B4) 1899.6FT (349.7FT AGL) U/S 2609022013-2611032359
  • Obstruction tower lights (ASR 1262190) 42°39′N 97°43′W (4.9 nautical miles NNW 84Y) 2302.5FT (409.8FT above ground level) out of service until Fri 4 Dec, 6:31 pm CST (00:31 UTC) · 369 nm along the route, 4 nm off the line · 84Y 10/028
    as issued
    !OLU 10/028 84Y OBST TOWER LGT (ASR 1262190) 423906.10N0974328.70W (4.9NM NNW 84Y) 2302.5FT (409.8FT AGL) U/S 2610050032-2612050031
  • Obstruction tower lights (ASR 1261041) 42°36′N 97°37′W (3.0 nautical miles northeast 84Y) 2081.0FT (308.1FT above ground level) out of service until Fri 1 Jan, 8:08 am CST (14:08 UTC) · 369 nm along the route, 7 nm off the line · 84Y 09/018
    as issued
    !OLU 09/018 84Y OBST TOWER LGT (ASR 1261041) 423645.30N0973721.40W (3.0NM NE 84Y) 2081.0FT (308.1FT AGL) U/S 2609031408-2701011408
  • Obstruction tower lights (ASN 2025-above ground level-12891-OE) 42°50′N 97°54′W (2.0 nautical miles south Y03) 1,504 ft (199 ft above ground level) out of service until Sun 8 Nov, 2:56 pm CST (20:56 UTC) · 379 nm along the route, 10 nm off the line · Y03 09/100
    as issued
    !HON 09/100 Y03 OBST TOWER LGT (ASN 2025-AGL-12891-OE) 425055N0975408W (2.0NM S Y03) 1504FT (199FT AGL) U/S 2609242058-2611082056
  • Obstruction tower lights (ASR 1213351) 42°39′N 98°03′W (13.5 nautical miles northwest 6K3) 2042.0FT (497.0FT above ground level) out of service until Tue 1 Dec, 5:59 pm CST (23:59 UTC) · 389 nm along the route, 5 nm off the line · 6K3 10/003
    as issued
    !OLU 10/003 6K3 OBST TOWER LGT (ASR 1213351) 423922.00N0980336.20W (13.5NM NW 6K3) 2042.0FT (497.0FT AGL) U/S 2610011237-2612012359
  • Obstruction tower lights (ASR 1283208) 42°33′N 99°49′W (7.3 nautical miles ESE ANW) 2781.2FT (270.0FT above ground level) out of service until Sat 31 Oct, 6:59 pm CDT (23:59 UTC) · 459 nm along the route, 5 nm off the line · ANW 09/014
    as issued
    !ANW 09/014 ANW OBST TOWER LGT (ASR 1283208) 423303.00N0994953.00W (7.3NM ESE ANW) 2781.2FT (270.0FT AGL) U/S 2609241146-2610312359
  • Navigation aid NDB beacon out of service until further notice · 489 nm along the route, 26 nm off the line · VTN 07/006
    as issued
    !VTN 07/006 VTN NAV NDB U/S 2607301344-PERM
  • Navigation aid VOR out of service until Fri 13 Nov, 3:11 pm CST (21:11 UTC), estimated · 509 nm along the route, 25 nm off the line · TDD 05/004
    as issued
    !TIF 05/004 TDD NAV VOR U/S 2605131929-2611132111EST

From the FAA's notice service (NOTAMs), the site's copy refreshed every few minutes; last checked 2 minutes ago. The FAA has so far issued eFlight its test feed, which misses some notices (checked against the FAA's own search on 12 October: about a third missing at Santa Barbara and Burbank, none at Atlanta or Las Vegas); the request for the full feed is with the FAA. Times are local to the field. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools.

Daylight

Sunset at MSN 6:18 pm CDT (23:18 UTC), at SFO 6:33 pm PDT (01:33 UTC) (civil twilight ends 7:00 pm PDT (02:00 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times.

The wind over the route live wind map, from Windy.com · drag the time bar for the coming hours; the level menu changes the height

Colours show wind speed, the moving lines its direction, at the surface unless you pick a height. Map and forecast by Windy.com; a second opinion beside the government's winds-aloft table above.

Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads · the turbulence and icing forecasts: turbulence ↗ · icing ↗

Radar now, the upper Mississippi valley
Radar now, the upper Mississippi valley · loop National Weather Service
Radar now, the northern Rockies
Radar now, the northern Rockies · loop National Weather Service
Radar now, the southern Rockies
Radar now, the southern Rockies · loop National Weather Service
Aviation forecast, clouds and visibility, the north-central states, 6 hours ahead
Aviation forecast, clouds and visibility, the north-central states, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · cloud cover and bases, visibility, and the areas of low cloud or poor visibility
Aviation forecast, surface weather, the north-central states, 6 hours ahead
Aviation forecast, surface weather, the north-central states, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · surface winds, weather, thunderstorms, and the AIRMET boxes for turbulence, icing and strong winds
Aviation forecast, clouds and visibility, the Northwest, 6 hours ahead
Aviation forecast, clouds and visibility, the Northwest, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · cloud cover and bases, visibility, and the areas of low cloud or poor visibility
Aviation forecast, surface weather, the Northwest, 6 hours ahead
Aviation forecast, surface weather, the Northwest, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · surface winds, weather, thunderstorms, and the AIRMET boxes for turbulence, icing and strong winds
Aviation forecast, clouds and visibility, the Southwest, 6 hours ahead
Aviation forecast, clouds and visibility, the Southwest, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · cloud cover and bases, visibility, and the areas of low cloud or poor visibility
Aviation forecast, surface weather, the Southwest, 6 hours ahead
Aviation forecast, surface weather, the Southwest, 6 hours ahead · on the government's site ↗ Aviation Weather Center (NOAA) · surface winds, weather, thunderstorms, and the AIRMET boxes for turbulence, icing and strong winds
Radar, the whole country
Radar, the whole country · loop National Weather Service
Surface analysis now
Surface analysis now Weather Prediction Center
Forecast chart, 12 hours ahead
Forecast chart, 12 hours ahead Weather Prediction Center
Forecast chart, 24 hours ahead
Forecast chart, 24 hours ahead Weather Prediction Center

Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Dane County Rgnl/Truax Field, San Francisco International.