Reverse 5 Bar M Airport (31MT) Area Aviation Weather & Runway Winds
Aviation weather near Reverse 5 Bar M Airport in Great Falls, MT, decoded from the nearest reporting station (KGTF): conditions, runway crosswinds, and free Telegram airport alerts.
Reverse 5 Bar M Airport (31MT) is a general aviation airport serving pilots in and around Great Falls, MT at 4,260 ft. 31MT has no weather station of its own. Conditions here are decoded from KGTF, about 15 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (3, 21), longest 1,337 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGTF. Track it in the ATIS Alerts Telegram bot to get alerts read from KGTF, the station this page is based on.
No weather station at this airport: showing the nearest station KGTF, 15 nm away.
Wind from the northeast (040°) at 10 kt, visibility 10+ statute miles, overcast at 3,800 ft, temperature 14°C (58°F), altimeter 30.06 inHg. Conditions are Visual Flight Rules (VFR), ceiling 3,800 ft.
METAR KGTF 130053Z 04010KT 10SM OVC038 14/07 A3006 RMK AO2 SLP182 T01440072 $
What changed at KGTF (nearest station)?
Since the 2353Z (5:53 PM MDT) report, compared automatically against the latest METAR.
- Wind speed up from 4 to 10 kt.
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Current pilot readout for 31MT
Based on the nearest station (KGTF), 31MT is currently VFR with winds from 040° at 10 knots, visibility 10+ statute miles, and a 3,800 ft ceiling. The strongest crosswind component is currently on runway 3, about 6 knots. Density altitude is approximately 5,050 ft (field elevation 4,260 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track 31MT free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at 31MT. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 3FAV | 1,337 ft | Turf | 8 kt head | 6 kt right |
| 21 | 1,337 ft | Turf | 8 kt head | 6 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→10 kt, ceiling unlimited → 3,800 ft.
31MT weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Reverse 5 Bar M Airport in Great Falls, MT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 31MT is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of 31MT
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
GTF UA /OV GTF150035/TM 0054/FL280/TP B39M/TB CONS LGT CHOP /ZLC
GTF UAHeader: reporting station and UA: a routine pilot report.OV GTF150035Location: fix or navaid, optionally with a radial and distance in NM.TM 0054Reported at 00:54 UTC.FL280Altitude: 28,000 ft MSL.TP B39MAircraft type reporting.TB CONS LGT CHOP /ZLCTurbulence: continuous light chop /zlc.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 31MT
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KGTF reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 3,300 ft. Wind most often came from the E.
Most recent change: MVFR → VFR
- 3/21
- 100%
TAF | Terminal Aerodrome Forecast
Issued 2320Z (5:20 PM MDT)
TAF KGTF 122320Z 1300/1324 02009KT P6SM BKN035 FM130400 VRB06KT P6SM SCT200 FM132100 33011G22KT P6SM SCT080 BKN120
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We'll message you on Telegram when a new report moves the picture near 31MT (Reverse 5 Bar M Airport): alerts read from KGTF, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 31MT
- City
- Great Falls
- State
- Montana
- Country
- United States
- Elevation
- 4,260 ft
- Coordinates
- 47.2365, -111.3023
- Runways
- 2
- Longest runway
- 1,337 ft
- Weather reporting
- Nearest station KGTF
- TAF
- Nearest KGTF
- Time zone
- America/Denver
- Next sunset
- 23h 54m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
5 airports25–50 NM
9 airports+3 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Big Sky RC Modelers - Paris-Gibson School Gym , Great Falls, MT · 19 mi
- Big Sky RC Modelers - Black Horse Field , Floweree, MT · 26 mi
31MT weather: frequently asked
What runways are available at 31MT?+
31MT has 2 runways: 3, 21; the longest is 1,337 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 31MT come from?+
Reverse 5 Bar M Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KGTF, about 15 nm away, close enough for situational awareness, but local conditions at 31MT can differ.
Does 31MT have a TAF?+
Yes. The KGTF TAF is shown on this page below the current conditions.
Does 31MT broadcast D-ATIS?+
No. 31MT does not broadcast D-ATIS. Alerts for 31MT from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Reverse 5 Bar M Airport (31MT)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Reverse 5 Bar M Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for 31MT yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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