Great Falls International Airport

KGTF / GTF

Great Falls, US

Last Updated
Mar 4, 14:53Z

Current Weather

Display Units
Recent 50 min ago
14:53Z

☀️ Day
VFR
Flight Rules
4°C
Temperature
Dewpoint: -6°C
7 kt
200°
10 SM
Visibility
Ceiling
Unlimited
1010 hPa
QNH
Altimeter Setting

Raw METAR

METAR KGTF 041453Z 20007KT 10SM CLR 04/M06 A2983 RMK AO2 SLP123 T00441056 58011 $
QNH
1010 hPa
Sea Level Pressure
For altitude above MSL
QFE
887 hPa
Field Pressure
Height above aerodrome (3,680 ft)
Pressure Alt
3,778 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,341 ft
ISA Deviation: -3.6°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KGTF 041121Z 0412/0512 22010KT P6SM SCT080 BKN150 FM041800 25011G20KT P6SM SCT050 BKN100 FM050100 27009KT 6SM -SHRA SCT030 BKN050 FM050600 34009KT 3SM -SNRA BR SCT009 BKN025
Upcoming Changes (Next 12 Hours)
15:43Z BASE
+0h
VFR 220° 10 kt
Visibility: >6SM
Ceiling: 15,000 ft
18:00Z FM041800
+3h
VFR 250° 11 kt
Visibility: >6SM
Ceiling: 10,000 ft
01:00Z FM050100
+10h
VFR 270° 9 kt
Visibility: 6SM
Ceiling: 5,000 ft
Light Showers Rain

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
GTF
03
21
07
25
17 ✈️
35

Runway Information

Runway Length Width Surface Heading Wind Component
03/21 10,502 ft 150 ft ASP 45°
6.3 kt 3.0 kt
155° angle
07/25 4,294 ft 75 ft ASP 90°
2.4 kt 6.6 kt
110° angle
✈️ 17/35
Active: 17
6,357 ft 150 ft ASP 180°
6.1 kt 3.5 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KGTF

4,498 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
85.8%
MVFR
8.6%
IFR
3.6%
LIFR
2%

Great Falls International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 85.8% of the time. Prevailing winds are from the SW averaging 11.6 knots, with gusts recorded up to 41 knots. Temperature extremes range from -27°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are September, March, January.

Wind Analysis

Prevailing Direction: SW (225°)
Average Speed: 11.6 kt
Maximum Recorded: 41 kt
Calm Winds: 4.9%
Direction Distribution:
N
6.8%
NE
5.1%
E
5.5%
SE
2.1%
S
11.7%
SW
47%
W
10.6%
NW
6.3%

Temperature Range

Average: 3.6°C
Range: -27°C to 31°C
-27°C 31°C

Visibility

Average: 9.6 SM
Below 3 SM: 2%
Fog Frequency: 1.4%

Best Months for VFR

September March January

Runway Wind Analysis

Runway 03/21
Favorable wind: 100%
Avg crosswind: 4.5 kt
Runway 07/25
Favorable wind: 100%
Avg crosswind: 5.7 kt
Runway 17/35
Favorable wind: 100%
Avg crosswind: 8.5 kt

Statistics computed from 4,498 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Great Falls International Airport - Airport Information

Airport Details

ICAO Code: KGTF
IATA Code: GTF
Type: medium airport
Status: active
Elevation: 3,680 ft MSL

Location

City: Great Falls
Country: US
Latitude: 47.481998°
Longitude: -111.371002°
Time Zone: Etc/GMT+7

Runway Information

Runway 03/21
Length: 10,502 ft
Width: 150 ft
Surface: ASP
ILS: No
Runway 07/25
Length: 4,294 ft
Width: 75 ft
Surface: ASP
ILS: No
Runway 17/35
Length: 6,357 ft
Width: 150 ft
Surface: ASP
ILS: No

About Great Falls International Airport

Overview

Great Falls International Airport serves central Montana as a medium-sized airport located at 3680 feet mean sea level near the city of Great Falls. The airport supports regional and commercial aviation with three asphalt runways, offering substantial landing options for various aircraft types. Its geographic position in north-central Montana provides critical transportation infrastructure for the region.

Flying Conditions

Weather observations indicate predominantly favorable flying conditions, with 85.5% of recorded periods under Visual Flight Rules (VFR). Southwest winds averaging 11.6 knots are typical, with temperatures ranging from -24°C to 31°C. Pilots can expect the most consistent VFR conditions during September, January, and October, with minimal instrument meteorological conditions reported.

Notable Features

The airport's elevation of 3680 feet MSL and substantial runway lengths (primary runway 03/21 at 10,502 feet) accommodate a wide range of aircraft operations. Wind patterns demonstrate consistent favorable runway alignment, with all three runways showing 100% wind compatibility. Crosswind components remain relatively moderate, ranging from 4.6 to 8.5 knots across different runway headings.

Approach Considerations

Runway 03/21 offers the longest and most versatile landing surface, with the most stable wind conditions. Pilots should anticipate southwest prevailing winds and be prepared for potential temperature-related performance considerations given the airport's elevation. The multiple runway configurations provide flexibility for approaches under various wind conditions, with minimal directional restrictions.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.