WxDecoder

31MT Weather Reverse 5 Bar M Airport

Great Falls, MontanaElevation 4,260 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KGTF · 15 NM N · 53 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KGTF
WIND
120@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 130° at 3 kt, visibility 10 SM, temperature -1C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 23F, 0% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 29 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 23 SSE 1 kt – 0%
Monday Partly Sunny 43/33 ESE 1 kt – 47%
Tuesday Chance Rain And Snow 45/34 SW 21 kt 29 kt 48% Strong winds in the forecast
Wednesday Sunny 48/30 SSW 12 kt 18 kt 13%
Thursday Partly Sunny 39/27 N 5 kt – 36%
Friday Slight Chance Light Snow 38/28 NNW 3 kt – 27%
Saturday Partly Sunny 45/31 SW 2 kt – 16%
Sunday Mostly Sunny then Chance Light Rain 47 WSW 4 kt – 32%

Source: National Weather Service (office TFX). Forecast issued 0145Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 31MT. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,337 ft

03/21
Dimensions
1,337 x 40 ft
Surface
Turf (fair)
RWY 03
RWY 21

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
4,260 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0020Z 6:20 PM
Sunrise
1359Z 7:59 AM
Loggable night
0051Z (6:51 PM local) → 1327Z (7:27 AM local)
end of evening to start of morning civil twilight
Position lights required
0020Z (6:20 PM local) → 1359Z (7:59 AM local)
sunset to sunrise (91.209)
Night passenger currency
0120Z (7:20 PM local) → 1259Z (6:59 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Reverse 5 Bar M Airport is in Great Falls, Montana. Field elevation 4,260 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerKATIE PRIBYL
Manager phone703-869-4563
CHARTS & AIRSPACE
ICAO / IATA31MT
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates47.2365, -111.3023
Distance from city15 NM S
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

31MT has no on-field report. Nearest reporting station: KGTF (15 NM N, VFR).

KGTF Great Falls International Airport
15 NM N
VFR
KHLN Helena Regional Airport
47 NM SW
VFR
KSBX Shelby Airport
82 NM N
VFR
KBZN Bozeman Yellowstone International Airport
88 NM S
LIFR
KBTM Bert Mooney Airport
91 NM SW
VFR
KCTB Cut Bank International Airport
93 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›SEE AIRSPACE CASE NO. 2017-ANM-1341-NRA.
›FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗31MT on OurAirports
FREQUENTLY ASKED
Does 31MT have a METAR?
No on-field METAR is issued for 31MT. This page uses the nearest reporting station as a reference.
Does 31MT have a TAF?
No TAF is issued directly for 31MT. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 31MT?
31MT sits at 4,260 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 31MT?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.