DM
Datamask Aviation
METAR · TAF · OPMET
KGTF· GTF· Great Falls

Great Falls International Airport

medium airport · elevation 3,680 ft (1122 m)
11:30Z 03:21Z Night
Current METARVFR
34 min ago·02:53Z
KGTF 090253Z 09007KT 10SM CLR 17/02 A2973 RMK AO2 SLP050 T01720017 56013
Wind
090° 7 kt
Visibility
10 SM
Ceiling
CLR
Temperature
17°C / 2°C
temp / dew
QNH
1007 hPa
29.73 inHg
Clouds
CLR
Weather
Station
KGTF
Remarks
automated station with a precipitation discriminator sea level pressure of 1005.0 HPa hourly temperature of 17.2°C and dew point of 1.7°C Decrease then steady; or decrease then decrease more slowly of 1.3 hectopascals in the past 3 hours
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW7 kt090°
Wind arrow points downwind.
Runways
03/213201 mASP
07/251309 mASP
17/351838 mASP
Runway components
RunwayHead/TailCrosswind
RWY 03/21HW 5 ktXW 5 kt R
RWY 07/25HW 7 kt
RWY 17/35HW 0 ktXW 7 kt L
47.4820°, -111.3710°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 07/25 (use 07)PreferredHW 70
RWY 03/21 (use 03)UsableHW 55 R
RWY 17/35 (use 17)UsableHW 07 L
Density altitude
4,963 ft
elevation 3,680 ft
ISA deviation
+9.3°C
Frequencies (community-maintained, cross-check AIP)KGTF
  • ATIS126.600
  • GNDGND/CLNC DEL121.700
  • TWR118.700
  • A/DAPP/DEP128.600
  • OPSANG OPS MAINT28.890
  • RDO122.600
  • UNICUNICOM122.950
Navaids near airportassoc. KGTF
IdentTypeFreqPower
GTFVORTAC115.10 MHzHIGH
ITUNDB371 kHzMEDIUM
Runways3

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 03/2110,502 ft (3,201 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
  • RWY 07/254,294 ft (1,309 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
  • RWY 17/356,030 ft (1,838 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)
No 24-h trend available — IEM archive.
24-hour wind rose (IEM ASOS, 16 direction bins)
24-hour wind rose unavailable (insufficient IEM data).
Airport diagram (OpenStreetMap)Great Falls International Airport
Diagram unavailable for Great Falls International Airport.
Terminal Aerodrome Forecast
Issued 2026/06/08 18:22 UTC
VFRBASE08/18Z → 08/22Z22015G23KT · 6 SM · FEW250
Wind: 22015G23KT
Visibility: 6 SM
Clouds: FEW250
TAF KGTF 081720Z 0818/0918 22015G23KT P6SM FEW250
VFRFM08/22Z → 09/01Z2209KT · 6 SM · SKC
Wind: 2209KT
Visibility: 6 SM
Clouds: SKC
FM082200 22009KT P6SM SKC
VFRFM09/01Z → 09/09ZVRB4KT · 6 SM · BKN150
Wind: VRB4KT
Visibility: 6 SM
Clouds: BKN150
FM090100 VRB04KT P6SM BKN150
VFRFM09/09Z → 09/18Z24012G24KT · 6 SM · BKN090
Wind: 24012G24KT
Visibility: 6 SM
Clouds: BKN090
FM090900 24012G24KT P6SM BKN090
VFRPROB3009/09Z → 09/15Z6 SM · -SHRA · OVC060
Visibility: 6 SM
Weather: -SHRA
Clouds: OVC060
PROB30 0909/0915 6SM -SHRA OVC060
Raw TAF
TAF KGTF 081720Z 0818/0918 22015G23KT P6SM FEW250 FM082200 22009KT P6SM SKC FM090100 VRB04KT P6SM BKN150 FM090900 24012G24KT P6SM BKN090 PROB30 0909/0915 6SM -SHRA OVC060
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