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

Great Falls International Airport

medium airport · elevation 3,680 ft (1122 m)
12:33Z 02:25Z Night
Current METARVFR
53 min ago·10:53Z
KGTF 231053Z AUTO 21013KT 10SM CLR 19/11 A2995 RMK AO2 SLP102 T01940111 $
Wind
210° 13 kt
Visibility
10 SM
Ceiling
CLR
Temperature
19°C / 11°C
temp / dew
QNH
1014 hPa
29.95 inHg
Clouds
CLR
Weather
Station
KGTF
Remarks
automated station with a precipitation discriminator sea level pressure of 1010.2 HPa hourly temperature of 19.4°C and dew point of 11.1°C
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW13 kt210°
Wind arrow points downwind.
Runways
03/213201 mASP
07/251309 mASP
17/351838 mASP
Runway components
RunwayHead/TailCrosswind
RWY 03/21TW 13 ktXW 3 kt R
RWY 07/25TW 7 ktXW 11 kt R
RWY 17/35HW 11 ktXW 7 kt R
47.4820°, -111.3710°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 03/21 (use 21)PreferredHW 133 L
RWY 17/35 (use 17)UsableHW 117 R
RWY 07/25 (use 25)UsableHW 711 LCrosswind 11 kt
Density altitude
5,014 ft
elevation 3,680 ft
ISA deviation
+11.3°C
large deviation
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 2026/08/23 12:22 UTC
VFRBASE23/12Z → 23/17Z22011KT · 6 SM · SCT200
Wind: 22011KT
Visibility: 6 SM
Clouds: SCT200
TAF KGTF 231120Z 2312/2412 22011KT P6SM SCT200
VFRFM23/17Z → 23/22Z25014G23KT · 6 SM · SCT080 BKN120
Wind: 25014G23KT
Visibility: 6 SM
Clouds: SCT080 BKN120
FM231700 25014G23KT P6SM SCT080 BKN120
VFRFM23/22Z → 24/03Z27020G31KT · 6 SM · FEW120
Wind: 27020G31KT
Visibility: 6 SM
Clouds: FEW120
FM232200 27020G31KT P6SM FEW120
VFRFM24/03Z → 24/12Z2609G15KT · 6 SM · FEW200
Wind: 2609G15KT
Visibility: 6 SM
Clouds: FEW200
FM240300 26009G15KT P6SM FEW200
Raw TAF
TAF KGTF 231120Z 2312/2412 22011KT P6SM SCT200 FM231700 25014G23KT P6SM SCT080 BKN120 FM232200 27020G31KT P6SM FEW120 FM240300 26009G15KT P6SM FEW200
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