ATIS Alerts

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.

VFR
Observed 0253Z (8:53 PM MDT)live · refreshes every 60s

No weather station at this airport — showing the nearest station KGTF, 15 nm away.

Wind
300° 8 kt
Visibility
6 sm
Ceiling
Unlimited
Altimeter
29.88"
Temp / Dew
25°C / 77°F
dew 4°C

Wind from the west-northwest (300°) at 8 kt, visibility 6 statute miles, no cloud data, temperature 25°C (77°F), altimeter 29.88 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KGTF 290253Z 30008KT 6SM HZ CLR 25/04 A2988 RMK AO2 SLP083 T02500039 53001 $

Current pilot readout for 31MT

Based on the nearest station (KGTF), 31MT is currently VFR with winds from 300° at 8 knots, visibility 6 statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 3, about 7 knots. Density altitude is approximately 6,550 ft (field elevation 4,260 ft). 31MT does not publish a TAF — the nearest TAF station is KGTF, about 15 nm away.

⚠️ 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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Runway 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.

RunwayHead / TailCrosswind
3FAV4 kt head7 kt left
214 kt head7 kt left

Open the crosswind calculator — try your own wind and runway numbers →

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.

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Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

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.

PIREP2315Z (5:15 PM MDT) · 14 NM N of 31MT · 11,000 ft MSL · C560
light chop blo 110 turbulence
Show raw report
GTF UA /OV 090030/TM 2315/FL110/TP C560/TB LGT CHOP BLO 110
GTF UAHeader — reporting station and UA: a routine pilot report.
OV 090030Location — fix or navaid, optionally with a radial and distance in NM.
TM 2315Reported at 23:15 UTC.
FL110Altitude: 11,000 ft MSL.
TP C560Aircraft type reporting.
TB LGT CHOP BLO 110Turbulence: light chop blo 110.
PIREP2310Z (5:10 PM MDT) · 14 NM N of 31MT · 14,000 ft MSL · E75L
moderate blo 160 turbulence
Show raw report
GTF UA /OV 170030/TM 2310/FL140/TP E75L/TB MOD BLO 160/RM TEMPERATURE INVERSION
GTF UAHeader — reporting station and UA: a routine pilot report.
OV 170030Location — fix or navaid, optionally with a radial and distance in NM.
TM 2310Reported at 23:10 UTC.
FL140Altitude: 14,000 ft MSL.
TP E75LAircraft type reporting.
TB MOD BLO 160Turbulence: moderate blo 160.
RM TEMPERATURE INVERSIONRemarks.

⚠️ 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.

Last 24 hours

History is still being collected — check back in a few days.

Last 7 days
VFR 98%MVFR 2%
Wind avg/max: 7/22 kt
Max gust: 35 kt
Lowest ceiling: 4,100 ft
Lowest vis: 4 sm
Prevailing wind: SW
Category changes: 4

Most recent change: MVFRVFR

Active Runway - past 30 days
3/21
100%

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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 16m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.

All RC flying fields →

See all Montana airports →

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?+

No — 31MT does not publish its own TAF. The nearest TAF station is KGTF, about 15 nm away.

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-submitted

Community-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.

From the ATIS Alerts team

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