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Great Falls International Airport (KGTF) Aviation Weather: METAR, TAF & ATIS

As of 1:53 PM MDT, Oct 28, KGTF is currently VFR with winds from 230° at 18 knots, visibility 10+ statute miles, and a 7,500 ft ceiling. The FAA lists no ground stop or delay program for KGTF right now.

Live aviation weather for Great Falls International Airport in Great Falls, MT, including METAR, TAF, ATIS, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

Great Falls International Airport (KGTF) is a regional airport serving Great Falls, MT at a field elevation of 3,680 ft. KGTF reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 2 physical runways (03/21, 17/35), the longest 10,502 ft. The official FAA airport diagram is at the bottom of the page.

Ask ATIS AIAsk anything about KGTF's weather, runways or delays, or search another airport.
VFR
Observed 1953Z (1:53 PM MDT)live · refreshes every 60s
Wind
230° 18 kt
Visibility
10+ sm
Ceiling
7,500 ft
Altimeter
29.95"
Temp / Dew
46°F / 8°C
feels like 38°F

Wind from the southwest (230°) at 18 kt, visibility 10+ statute miles, scattered clouds at 6,000 ft, broken clouds at 7,500 ft, overcast at 10,000 ft, temperature 8°C (46°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR), ceiling 7,500 ft.

Raw METAR
METAR KGTF 281953Z 23018KT 10SM SCT060 BKN075 OVC100 08/01 A2995 RMK AO2 SLP162 T00780006 $

What changed at KGTF?

Since the 1853Z (12:53 PM MDT) report, compared automatically against the latest METAR.

  • Wind speed up from 12 to 18 kt.
  • A ceiling formed at 7,500 ft.

Current pilot readout for KGTF

KGTF is currently VFR with winds from 230° at 18 knots, visibility 10+ statute miles, and a 7,500 ft ceiling. the wind favors southwest-facing runway ends (21). Density altitude is approximately 3,650 ft (field elevation 3,680 ft). Review the latest TAF below for forecast changes before departure.

KGTF by the numbers

What the long-run records say about flying here, computed for this airport alone.

0
FAA ground stops or delay programs, last 12 months

The FAA issued no ground stop or ground delay program for GTF in the 12 months to October 2026. Delays here come from the airlines or from programs at other airports rather than from GTF's own airspace.

GTF delay status →

89%
of daylight hours VFR, 2006 to 2025

KGTF reported VFR in 89% of daylight observations over 20 years, about 305 flyable days a year. July is the most reliable month and February the least, with IFR or worse 12% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 3% of hours) and low visibility (under 3 miles 4%).

41%
of windy hours favor runway 21

Over 20 years of hourly winds, runway 21 had the best headwind 41% of the time, runway 17 15%, and winds were calm 9% of hours. Winds most often blow from the southwest. Crosswind on the best available runway topped 15 kt in under 1% of hours.

59
snow days a year

Snow fell on about 59 days a year and freezing rain or drizzle on 1. From December to February KGTF was IFR or worse 9% of the time, against 1% from June to August.

89%
of departures on time, June 2025 to May 2026

GTF departures left within 15 minutes of schedule 89% of the time across 2,230 flights, June 2025 to May 2026. Before 9 AM departures did best (97%) and after 9 PM did worst (66%).

GTF delays by hour and weekday →

17
thunderstorm days a year

Thunderstorms were reported on about 17 days a year. 79% of storm hours fall in June, July and August, peaking in June when storms were in the air 1% of the time.

Sources: FAA ATCSCC advisories, hourly observations 2006 to 2025, the per-runway wind climatology 2006 to 2025 and BTS airline on-time data. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
21FAV18 kt head2 kt right
1712 kt head14 kt right
3512 kt tail14 kt left
0318 kt tail2 kt left

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

KGTF runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 03/21
    10,502 × 150 ft · ASP
    Closed (NOTAM)
    Current use
    no stated-runway source at KGTF
    Wind
    03
    18 kt tailwind · 2 kt crosswind from left
    21
    18 kt headwind · 2 kt crosswind from right
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 17/35
    6,030 × 150 ft · ASP
    Restricted (NOTAM)
    Current use
    no stated-runway source at KGTF
    Wind
    17
    12 kt headwind · 14 kt crosswind from right
    35
    12 kt tailwind · 14 kt crosswind from left
    1 active equipment NOTAMView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0193820Z08Z19Z

Over the last 23 h: wind 25→18 kt, ceiling unlimited → 7,500 ft.

KGTF weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Recent aviation weather trends at KGTF

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KGTF reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 33 kt, the lowest ceiling was 7,000 ft. Wind most often came from the SW.

Last 24 hours
VFR 100%
Wind avg/max: 14/25 kt
Max gust: 33 kt
Lowest ceiling: 7,000 ft
Lowest vis: -
Prevailing wind: SW
Category changes: 0
Last 7 days
VFR 94%MVFR 2%IFR 3%LIFR 1%
Wind avg/max: 8/25 kt
Max gust: 36 kt
Lowest ceiling: 300 ft
Lowest vis: 0.25 sm
Prevailing wind: SW
Category changes: 10

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

21
59%
17
16%
03
14%
35
11%

TAF | Terminal Aerodrome Forecast

Issued 1729Z (11:29 AM MDT)

TAF KGTF 281729Z 2818/2918 22012G22KT P6SM VCSH SCT080 BKN120 TEMPO 2818/2822 SCT050 BKN080 FM290000 VRB06KT P6SM FEW015 SCT080 FM290500 06006KT P6SM VCFG SCT015 BKN050

New to TAFs? How to read one →

Get KGTF weather alerts in Telegram

Stop refreshing aviation weather manually. Track KGTF in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

Track KGTF free on Telegram

Live KGTF Weather

Live crosswind meter

Measured by KGTF's own weather station.

N210318 kt
Headwind
18 kt
Crosswind (from the right)
2 kt

Wind is 5° off runway 21, the end with the most headwind right now.

Asphalt · 10,502 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Great Falls International Airport (KGTF) with runway 03/21, 17/35 marked
N ↑

Runway 03/21, 17/35 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A
Attended
24 hours
Repairs
Airframe & engine, major
Oxygen
Bottled, high & low pressure · Bulk, high & low pressure
Transient parking
Tie-downs · Hangars
Landing fee
No
Other services
Air freight · Crop dusting · Avionics · Cargo handling · Charter · Flight instruction · Aircraft rental · Aircraft sales
Control tower
Yes
Wind indicator
Unlighted

Airport

Type
Regional airport
ICAO
KGTF
IATA
GTF
FAA LID
GTF
City
Great Falls
State
Montana
Country
United States
Elevation
3,680 ft
Coordinates
47.4820, -111.3710
Runways
2 physical runways · 4 runway ends
Longest runway
10,502 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
126.6 MHz
Time zone
America/Denver
Sunset in
3h 51m

Is there a ground stop at GTF today? Delay status and history →

Run a flight school, FBO, or club here? Embed KGTF's live status on your website, free →

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 →

Historical Flying Weather at KGTF

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KGTF reported VFR conditions during about 88.8% of valid daylight observations, with an estimated 305 VFR flying days a year. July had the most VFR weather; February had the most instrument conditions. Surface winds averaged 9.8 kt, calm 5.7% of the time.

VFR Score
66
Wind Score
29
Reliability Score
66
National VFR rank
#233 of 1,400
Regional rank
#24
State rank
#8
Full historical breakdown
Daylight VFR
88.8%
MVFR
5.4%
IFR
3.7%
LIFR
2.2%
Est. VFR days/yr
305
Most VFR month
July
Fewest VFR month
February
Median ceiling
6,000 ft
Median visibility
10 sm
Calm wind
5.7%
Median wind
9 kt
Gusty hours
16.4%
Crosswind >15 kt
0.1%
Fog/mist days/yr
86
Thunderstorm days/yr
17
Summer density alt
5,810 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KGTF monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan87.55.25.02.3
Feb80.47.87.74.1
Mar83.67.04.84.7
Apr84.76.84.83.7
May88.76.53.31.5
Jun94.83.71.00.5
Jul97.22.20.60.1
Aug94.34.11.20.4
Sep90.05.52.91.5
Oct89.05.13.62.2
Nov87.94.64.72.8
Dec85.06.45.33.3

Average wind by month

0714JanFebMarAprMayJunJulAugSepOctNovDec
KGTF average wind by month, 2006–2025
MonthMean wind (kt)
Jan12.3 kt
Feb10.6 kt
Mar10.3 kt
Apr9.9 kt
May8.7 kt
Jun8.4 kt
Jul7.6 kt
Aug7.6 kt
Sep8.2 kt
Oct10.0 kt
Nov12.0 kt
Dec11.7 kt

Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KGTF airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

Customize your GTF shirt or mug

GTF's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

Shop GTF merch

Pilot PIREPs for Great Falls International Airport (KGTF)

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 Great Falls International 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 KGTF 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.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

No D-ATIS at this airport, showing METAR.

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