Monterey Regional to St. Louis Lambert International MRY → STL
1,494 nautical miles (1,719 statute miles) east on a straight line, true course 075°, about 060° magnetic at the departure end (variation 15E). At 120 knots that is 8 h 50 min at the quickest height in today's winds (34,000 ft, a 49-knot tailwind), arriving about 11:52 am CDT (16:52 UTC). 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: 1 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
- AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 100 nm of the route.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 279 to 896 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 299 to 558 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 349 to 697 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 42,000 ft. Over the route from 448 to 876 nm out.
- AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 697 to 837 nm out.
- AIRMET TANGO 3W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 956 to 1424 nm out.
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 MRY.
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 12 forecast points nearest it (SFO, FAT, BIH, ELY, BCE, GJT, PUB, GLD, SLN, MKC, COU, STL). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 5,500 ft | 230° at 26 kt | −19 kt | 139 kt | 10 h 45 min | 1:47 pm CDT (18:47 UTC) | |
| 7,500 ft | 220° at 26 kt | −20 kt | 10 °C | 140 kt | 10 h 40 min | 1:42 pm CDT (18:42 UTC) |
| 9,500 ft | 220° at 24 kt | −19 kt | 8 °C | 139 kt | 10 h 45 min | 1:47 pm CDT (18:47 UTC) |
| 11,500 ft | 230° at 23 kt | −18 kt | 3 °C | 138 kt | 10 h 50 min | 1:52 pm CDT (18:52 UTC) |
| 13,500 ft | 230° at 24 kt | −19 kt | -1 °C | 139 kt | 10 h 45 min | 1:47 pm CDT (18:47 UTC) |
| 15,500 ft | 230° at 26 kt | −21 kt | -5 °C | 141 kt | 10 h 36 min | 1:38 pm CDT (18:38 UTC) |
| 17,500 ft | 230° at 28 kt | −23 kt | -9 °C | 143 kt | 10 h 27 min | 1:29 pm CDT (18:29 UTC) |
| 18,000 ft FL180 | 230° at 29 kt | −23 kt | -10 °C | 143 kt | 10 h 27 min | 1:29 pm CDT (18:29 UTC) |
| 24,000 ft FL240 | 230° at 38 kt | −31 kt | -22 °C | 151 kt | 9 h 54 min | 12:56 pm CDT (17:56 UTC) |
| 30,000 ft FL300 | 240° at 51 kt | −46 kt | -29 °C | 166 kt | 9 h | 12:02 pm CDT (17:02 UTC) |
| 34,000 ft FL340 | 240° at 53 kt | −49 kt | -36 °C | 169 kt | 8 h 50 min | 11:52 am CDT (16:52 UTC) |
| 39,000 ft FL390 | 240° at 49 kt | −46 kt | -46 °C | 166 kt | 9 h | 12:02 pm CDT (17:02 UTC) |
Based on data from the 12th at 00:00 UTC; valid on the 12th 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| SFO | used from 0 nm out; 75 nm from the line | 120/13 | 090/14 5° | 040/14 -1° | 350/17 -5° | 360/42 -14° | 360/64 -23° | 350/38 -32° | 300/19 -37° | 250/18 -44° |
| FAT | used from 50 nm out; 30 nm from the line | 130/16 | 160/20 5° | 190/28 -1° | 210/25 -5° | 220/27 -15° | 230/21 -26° | 220/42 -29° | 220/44 -35° | 220/44 -44° |
| BIH | used from 149 nm out; 7 nm from the line | L/V | 240/7 1° | 190/13 -3° | 200/26 -16° | 210/43 -26° | 220/54 -28° | 220/51 -35° | 220/47 -43° | |
| ELY | used from 299 nm out; 94 nm from the line | 200/39 3° | 210/27 -2° | 210/45 -15° | 220/56 -24° | 210/60 -28° | 210/63 -34° | 220/61 -43° | ||
| BCE | used from 398 nm out; 53 nm from the line | 220/27 -1° | 210/40 -13° | 220/54 -21° | 220/64 -30° | 220/64 -34° | 220/52 -44° | |||
| GJT | used from 548 nm out; 82 nm from the line | 210/43 7° | 230/45 1° | 220/49 -12° | 220/62 -22° | 220/59 -28° | 230/60 -33° | 220/55 -45° | ||
| PUB | used from 747 nm out; 68 nm from the line | 230/25 13° | 230/32 6° | 220/44 -8° | 230/49 -21° | 240/70 -28° | 240/67 -34° | 240/58 -46° | ||
| GLD | used from 896 nm out; 51 nm from the line | 230/49 | 230/42 15° | 220/26 8° | 240/18 -7° | 230/27 -21° | 240/62 -30° | 240/61 -35° | 250/57 -47° | |
| SLN | used from 1046 nm out; 84 nm from the line | 210/53 | 230/41 20° | 240/26 14° | 230/16 8° | 240/25 -7° | 240/35 -19° | 250/61 -30° | 260/65 -38° | 260/56 -49° |
| MKC | used from 1245 nm out; 28 nm from the line | 220/44 | 250/28 18° | 250/18 13° | 240/12 6° | 280/24 -6° | 240/34 -18° | 260/47 -30° | 260/51 -40° | 270/58 -50° |
| COU | used from 1345 nm out; 38 nm from the line | 230/31 | 230/30 15° | 260/16 11° | 270/14 6° | 260/24 -6° | 270/27 -18° | 270/37 -32° | 280/49 -41° | 290/56 -51° |
| STL | used from 1444 nm out; 25 nm from the line | 250/24 | 250/24 16° | 260/23 9° | 270/16 6° | 260/25 -6° | 270/29 -19° | 290/34 -33° | 290/48 -41° | 290/54 -51° |
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 |
|---|---|---|---|---|---|---|---|
| MRY Monterey, CA | departure | no report just now | 256 ft | ||||
| FAT Fresno, CA | 100 nm out, 14 nm southeast of the line, tower | no report just now | 335 ft | ||||
| BIH Bishop, CA | 169 nm out, 8 nm north of the line | no report just now | 4,124 ft | ||||
| MLF Milford, UT | 438 nm out, 21 nm north of the line | no report just now | 5,042 ft | ||||
| HVE Hanksville, UT | 538 nm out, 6 nm northeast of the line | no report just now | 4,453 ft | ||||
| MTJ Montrose, CO | 677 nm out, 7 nm southwest of the line | no report just now | 5,758 ft | ||||
| COS Colorado Springs, CO | 827 nm out, 3 nm southwest of the line, tower | no report just now | 6,187 ft | ||||
| OEL Oakley, KS | 1006 nm out, 8 nm north of the line | no report just now | 3,045 ft | ||||
| MHK Manhattan, KS | 1195 nm out, 9 nm northeast of the line, tower | no report just now | 1,066 ft | ||||
| FOE Topeka, KS | 1245 nm out, 2 nm southeast of the line, tower | no report just now | 1,077 ft | ||||
| COU Columbia, MO | 1404 nm out, 4 nm southeast of the line, tower | no report just now | 889 ft | ||||
| STL St Louis, MO | destination | no report just now | 617 ft |
The highest airport on this list sits at 6,187 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At STL when you get there the forecast at the estimated arrival, 11:52 am CDT (16:52 UTC)
STL has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
- 6/8784 LAKE GEORGE, CO, Sunday, October 11, 2026 through Tuesday, October 13, 2026 UTC 8 nm from the route, 787 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 13 October · ZDV
- 6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 17 nm from the route, 1414 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC
Daylight
Sunset at MRY 6:33 pm PDT (01:33 UTC), at STL 6:27 pm CDT (23:27 UTC) (civil twilight ends 6:54 pm CDT (23:54 UTC)).
Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.
Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads
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: Monterey Regional, St. Louis Lambert International.