Rhinelander/Oneida County to Houghton County Memorial RHI → CMX
101 nautical miles (116 statute miles) northeast on a straight line, true course 023°, about 026° magnetic at the departure end (variation 3W). At 120 knots that is 42 min at the quickest height in today's winds (9,500 ft, a 25-knot tailwind), arriving about 2:49 am EDT (06:49 UTC), after sunset at the destination. Right now RHI is low IFR, wind from the east (080°) at 6 knots; CMX is low IFR, wind from the east (080°) at 11 knots, gusting to 18. 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: 5 flights in the DOT's last twelve reported months, the route's page.
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 C14C: thunderstorms (a convective SIGMET) up to 40,000 ft, moving from the west at 35 knots, until 2:55 am CDT (07:55 UTC). Over the whole route.
as issued
WSUS32 KKCI 130555 MKCC WST 130555 CONVECTIVE SIGMET 14C VALID UNTIL 0755Z MI WI LH LS LM FROM 40E YQT-60NE ASP-30SSE ECK-40SSE GRR-60ESE DLH-40E YQT AREA EMBD TS MOV FROM 25035KT. TOPS TO FL400.
- AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the whole route.
Turbulence No turbulence warning in force along the route. No pilot has reported turbulence near the line in the last three hours. The government's turbulence forecast map ↗
Icing No icing warning in force along the route. No pilot has reported icing near the line in the last three hours. The freezing level is about 14,000 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 RHI.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
Not fetched just now.
Winds aloft along the route, and the time en route the forecast for use 02:00–09:00 UTC · at 120 knots true airspeed
The eastbound cruising heights for this course (VFR: odd thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 2 forecast points nearest it (GRB, DLH). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 3,500 ft | 260° at 33 kt | −18 kt | 138 kt | 44 min | 2:51 am EDT (06:51 UTC) | |
| 5,500 ft | 260° at 33 kt | −18 kt | 138 kt | 44 min | 2:51 am EDT (06:51 UTC) | |
| 7,500 ft | 260° at 34 kt | −21 kt | 13 °C | 141 kt | 43 min | 2:50 am EDT (06:50 UTC) |
| 9,500 ft | 250° at 37 kt | −25 kt | 10 °C | 145 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 11,500 ft | 250° at 39 kt | −26 kt | 6 °C | 146 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 13,500 ft | 250° at 39 kt | −26 kt | 1 °C | 146 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 15,500 ft | 250° at 39 kt | −26 kt | -4 °C | 146 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 17,500 ft | 250° at 39 kt | −26 kt | -9 °C | 146 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 18,000 ft FL180 | 250° at 39 kt | −26 kt | -10 °C | 146 kt | 42 min | 2:49 am EDT (06:49 UTC) |
| 24,000 ft FL240 | 260° at 40 kt | −22 kt | -23 °C | 142 kt | 43 min | 2:50 am EDT (06:50 UTC) |
| 30,000 ft FL300 | 280° at 50 kt | −12 kt | -34 °C | 132 kt | 46 min | 2:53 am EDT (06:53 UTC) |
| 34,000 ft FL340 | 280° at 61 kt | −14 kt | -41 °C | 134 kt | 45 min | 2:52 am EDT (06:52 UTC) |
| 39,000 ft FL390 | 280° at 67 kt | −17 kt | -44 °C | 137 kt | 44 min | 2:51 am EDT (06:51 UTC) |
Based on data from the 13th at 00:00 UTC; valid on the 13th at 06:00 UTC for use 02:00 to 09:00 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
| Point | From | 3,000 | 6,000 | 9,000 | 12,000 | 18,000 | 24,000 | 30,000 | 34,000 | 39,000 |
|---|---|---|---|---|---|---|---|---|---|---|
| GRB | used from 0 nm out; 102 nm from the line | 260/38 | 260/34 15° | 250/37 11° | 250/40 5° | 250/39 -10° | 260/40 -23° | 280/51 -34° | 280/61 -41° | 280/69 -44° |
| DLH | used from 92 nm out; 151 nm from the line | 070/18 | 280/25 8° | 260/29 9° | 260/32 3° | 270/39 -10° | 260/39 -21° | 270/45 -34° | 280/60 -40° | 270/52 -45° |
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
| Airport | Where | Conditions | Wind | Visibility | Ceiling | Elevation | Reported |
|---|---|---|---|---|---|---|---|
| RHI Rhinelander, WI | departure | low IFR Sky: overcast at 300 feet | from the east (080°) at 6 knots | 10+ mi | 300 ft | 1,623 ft | 12:53 am CDT (05:53 UTC) |
| EGV Eagle River, WI | 18 nm out, 2 nm northeast of the line | low IFR Sky: overcast at 400 feet | from the east-northeast (060°) at 4 knots | 10+ mi | 400 ft | 1,642 ft | 05:55 UTC |
| CMX Hancock, MI | destination | low IFR Sky: overcast at 400 feet Weather: light thunderstorms rain, mist | from the east (080°) at 11 knots, gusting to 18 | 3 mi | 400 ft | 1,095 ft | 1:58 am EDT (05:58 UTC) |
The highest airport on this list sits at 1,642 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
RHI Rhinelander, WI
the observation and the forecast as issued, and in English
METAR KRHI 130553Z AUTO 08006KT 10SM OVC003 13/12 A2966 RMK AO2 LTG DSNT NE RAB16E25 SLP039 P0000 60005 T01280122 10183 20122 402560122 56013 $
- METAR
- a routine hourly observation
- KRHI
- the station, KRHI
- 130553Z
- observed 12:53 am CDT (05:53 UTC)
- AUTO
- fully automated report, nobody checked it
- 08006KT
- wind from the east at 6 knots
- 10SM
- visibility 10 miles
- OVC003
- overcast at 300 feet
- 13/12
- temperature 13 °C (55 °F), dew point 12 °C (54 °F)
- A2966
- altimeter setting 29.66 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- LTG DSNT NE
- lightning in the distance (more than 10 miles) to the northeast
- RAB16E25
- rain began 16 minutes past the hour, ended 25 minutes past the hour
- SLP039
- sea-level pressure 1003.9 hPa
- P0000
- a trace of precipitation in the last hour
- 60005
- 0.05 inches of precipitation in the last three or six hours
- T01280122
- temperature 12.8 °C (55 °F), dew point 12.2 °C (54 °F)
- 10183
- highest temperature in the last six hours 18.3 °C (65 °F)
- 20122
- lowest temperature in the last six hours 12.2 °C (54 °F)
- 402560122
- 24-hour highest 25.6 °C (78 °F), lowest 12.2 °C (54 °F)
- 56013
- pressure in the last three hours falling, then steady, change 1.3 hPa
- $
- the station needs maintenance
TAF KRHI 130524Z 1306/1406 12003KT P6SM BKN004 WS020/26035KT FM130900 29006KT 6SM BR BKN006 WS019/30035KT FM131300 29011G19KT P6SM BKN015 FM131600 31009G15KT P6SM BKN025 FM132000 31009KT P6SM BKN040 FM140100 30005KT P6SM BKN050
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- KRHI
- the station, KRHI
- 130524Z
- issued 12:24 am CDT (05:24 UTC)
- 1306/1406 12003KT P6SM BKN004 WS020/26035KT
- valid from Tue 1:00 am CDT (06:00 UTC) to Wed 1:00 am CDT (06:00 UTC): wind from the east-southeast at 3 knots, visibility more than 6 miles, a broken layer at 400 feet, wind shear below 2,000 feet: wind from 260° at 35 knots above it
- FM130900 29006KT 6SM BR BKN006 WS019/30035KT
- from Tue 4:00 am CDT (09:00 UTC): wind from the west-northwest at 6 knots, visibility 6 miles, mist, a broken layer at 600 feet, wind shear below 1,900 feet: wind from 300° at 35 knots above it
- FM131300 29011G19KT P6SM BKN015
- from Tue 8:00 am CDT (13:00 UTC): wind from the west-northwest at 11 knots, gusting to 19, visibility more than 6 miles, a broken layer at 1,500 feet
- FM131600 31009G15KT P6SM BKN025
- from Tue 11:00 am CDT (16:00 UTC): wind from the northwest at 9 knots, gusting to 15, visibility more than 6 miles, a broken layer at 2,500 feet
- FM132000 31009KT P6SM BKN040
- from Tue 3:00 pm CDT (20:00 UTC): wind from the northwest at 9 knots, visibility more than 6 miles, a broken layer at 4,000 feet
- FM140100 30005KT P6SM BKN050
- from Tue 8:00 pm CDT (01:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, a broken layer at 5,000 feet
EGV Eagle River, WI
the observation as issued, and in English
METAR KEGV 130555Z AUTO 06004KT 10SM OVC004 11/11 A2967 RMK AO2 60001 T01070107 10161 20107 402300107
- METAR
- a routine hourly observation
- KEGV
- the station, KEGV
- 130555Z
- observed 05:55 UTC on the 13th
- AUTO
- fully automated report, nobody checked it
- 06004KT
- wind from the east-northeast at 4 knots
- 10SM
- visibility 10 miles
- OVC004
- overcast at 400 feet
- 11/11
- temperature 11 °C (52 °F), dew point 11 °C (52 °F)
- A2967
- altimeter setting 29.67 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- 60001
- 0.01 inches of precipitation in the last three or six hours
- T01070107
- temperature 10.7 °C (51 °F), dew point 10.7 °C (51 °F)
- 10161
- highest temperature in the last six hours 16.1 °C (61 °F)
- 20107
- lowest temperature in the last six hours 10.7 °C (51 °F)
- 402300107
- 24-hour highest 23 °C (73 °F), lowest 10.7 °C (51 °F)
CMX Hancock, MI
the observation and the forecast as issued, and in English
SPECI KCMX 130558Z AUTO 08011G18KT 3SM -TSRA BR OVC004 09/08 A2972 RMK AO2 TSB54 P0000 T00890083
- SPECI
- a special observation, issued because the weather changed
- KCMX
- the station, KCMX
- 130558Z
- observed 1:58 am EDT (05:58 UTC)
- AUTO
- fully automated report, nobody checked it
- 08011G18KT
- wind from the east at 11 knots, gusting to 18
- 3SM
- visibility 3 miles
- -TSRA
- light thunderstorms with rain
- BR
- mist
- OVC004
- overcast at 400 feet
- 09/08
- temperature 9 °C (48 °F), dew point 8 °C (46 °F)
- A2972
- altimeter setting 29.72 inches of mercury
- RMK
- remarks follow
- AO2
- automated station with a precipitation sensor
- TSB54
- thunderstorms began 54 minutes past the hour
- P0000
- a trace of precipitation in the last hour
- T00890083
- temperature 8.9 °C (48 °F), dew point 8.3 °C (47 °F)
TAF KCMX 130520Z 1306/1406 09015G25KT 2SM SHRA BR OVC003 FM131000 05010G20KT 2SM SHRA BR OVC004 FM131300 04008KT 4SM BR OVC005 FM131800 34007KT P6SM BKN006 FM132100 32007KT P6SM OVC009 FM140000 30005KT P6SM OVC012
- TAF
- a terminal aerodrome forecast: the weather expected at the airport, usually for the next 24 or 30 hours
- KCMX
- the station, KCMX
- 130520Z
- issued 1:20 am EDT (05:20 UTC)
- 1306/1406 09015G25KT 2SM SHRA BR OVC003
- valid from Tue 2:00 am EDT (06:00 UTC) to Wed 2:00 am EDT (06:00 UTC): wind from the east at 15 knots, gusting to 25, visibility 2 miles, rain showers, mist, overcast at 300 feet
- FM131000 05010G20KT 2SM SHRA BR OVC004
- from Tue 6:00 am EDT (10:00 UTC): wind from the northeast at 10 knots, gusting to 20, visibility 2 miles, rain showers, mist, overcast at 400 feet
- FM131300 04008KT 4SM BR OVC005
- from Tue 9:00 am EDT (13:00 UTC): wind from the northeast at 8 knots, visibility 4 miles, mist, overcast at 500 feet
- FM131800 34007KT P6SM BKN006
- from Tue 2:00 pm EDT (18:00 UTC): wind from the north-northwest at 7 knots, visibility more than 6 miles, a broken layer at 600 feet
- FM132100 32007KT P6SM OVC009
- from Tue 5:00 pm EDT (21:00 UTC): wind from the northwest at 7 knots, visibility more than 6 miles, overcast at 900 feet
- FM140000 30005KT P6SM OVC012
- from Tue 8:00 pm EDT (00:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, overcast at 1,200 feet
At CMX when you get there the forecast at the estimated arrival, 2:49 am EDT (06:49 UTC)
Wind from the east at 15 knots, gusting to 25, visibility 2 miles, rain showers, mist, overcast at 300 feet low IFR
The whole forecast for CMX
- From Tue 2:00 am EDT (06:00 UTC): wind from the east at 15 knots, gusting to 25, visibility 2 miles, rain showers, mist, overcast at 300 feet
- From Tue 6:00 am EDT (10:00 UTC): wind from the northeast at 10 knots, gusting to 20, visibility 2 miles, rain showers, mist, overcast at 400 feet
- From Tue 9:00 am EDT (13:00 UTC): wind from the northeast at 8 knots, visibility 4 miles, mist, overcast at 500 feet
- From Tue 2:00 pm EDT (18:00 UTC): wind from the north-northwest at 7 knots, visibility more than 6 miles, a broken layer at 600 feet
- From Tue 5:00 pm EDT (21:00 UTC): wind from the northwest at 7 knots, visibility more than 6 miles, overcast at 900 feet
- From Tue 8:00 pm EDT (00:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, overcast at 1,200 feet
The forecast for RHI, the departure
- From Tue 1:00 am CDT (06:00 UTC): wind from the east-southeast at 3 knots, visibility more than 6 miles, low-level wind shear, a broken layer at 400 feet
- From Tue 4:00 am CDT (09:00 UTC): wind from the west-northwest at 6 knots, visibility 6 miles, mist, low-level wind shear, a broken layer at 600 feet
- From Tue 8:00 am CDT (13:00 UTC): wind from the west-northwest at 11 knots, gusting to 19, visibility more than 6 miles, a broken layer at 1,500 feet
- From Tue 11:00 am CDT (16:00 UTC): wind from the northwest at 9 knots, gusting to 15, visibility more than 6 miles, a broken layer at 2,500 feet
- From Tue 3:00 pm CDT (20:00 UTC): wind from the northwest at 9 knots, visibility more than 6 miles, a broken layer at 4,000 feet
- From Tue 8:00 pm CDT (01:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, a broken layer at 5,000 feet
CMX: the forecast as issued, and in English
TAF KCMX 130520Z 1306/1406 09015G25KT 2SM SHRA BR OVC003 FM131000 05010G20KT 2SM SHRA BR OVC004 FM131300 04008KT 4SM BR OVC005 FM131800 34007KT P6SM BKN006 FM132100 32007KT P6SM OVC009 FM140000 30005KT P6SM OVC012
RHI: the forecast as issued, and in English
TAF KRHI 130524Z 1306/1406 12003KT P6SM BKN004 WS020/26035KT FM130900 29006KT 6SM BR BKN006 WS019/30035KT FM131300 29011G19KT P6SM BKN015 FM131600 31009G15KT P6SM BKN025 FM132000 31009KT P6SM BKN040 FM140100 30005KT P6SM BKN050
Temporary flight restrictions on the line or within 25 nm of it
- 6/8665 9NM E HERMAN, MI, Friday, October 9, 2026 through Tuesday, October 13, 2026 UTC 20 nm from the route, 73 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 13 October · ZMP
Notices to air missions closures and things out of service at both ends; airspace, navigation aids and obstructions near the line
RHI: 9 notices in force, 1 starting within a week. all of them, grouped →
- closed Apron AIR Carrier apron between 480 ft west end and 275 ft east end closed lighted and barricaded until Tue 17 Nov, 6:00 am CST (12:00 UTC) · RHI 08/012
as issued
!RHI 08/012 RHI APRON AIR CARRIER APRON BTN 480FT WEST END AND 275FT EAST END CLSD LGTD AND BARRICADED 2608171200-2611171200
CMX: 5 notices in force. all of them, grouped →
1 notice near the line (airspace and special activity within 25 nm, navigation aids within 25 nm, obstructions within 5 nm):
- Obstruction tower lights (ASR 1278992) 46°29′N 88°57′W (10.5 nautical miles west 6Y9) 1453.7FT (278.9FT above ground level) out of service until Fri 16 Oct, 11:11 pm CDT (04:11 UTC) · 55 nm along the route, 1 nm off the line · 6Y9 10/021
as issued
!GRB 10/021 6Y9 OBST TOWER LGT (ASR 1278992) 462916.30N0885733.30W (10.5NM W 6Y9) 1453.7FT (278.9FT AGL) U/S 2610020511-2610170411
From the FAA's notice service (NOTAMs), the site's copy refreshed every few minutes; last checked 1 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 RHI 6:16 pm CDT (23:16 UTC), at CMX 7:10 pm EDT (23:10 UTC) (civil twilight ends 7:41 pm EDT (23:41 UTC)). At 120 knots the arrival at CMX is before sunrise there (8:09 am EDT (12:09 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 ↗








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: Rhinelander/Oneida County, Houghton County Memorial.
