Great Falls International Airport

KGTF / GTF / GTF

Great Falls, MT

3,680 ft MSL

Medium AirportToweredScheduled ServiceMETARTAF

View on Map Website Wikipedia

Terminal Aerodrome Forecast

Issued: Thu, Apr 9, 05:20 UTC

Valid From

Thu, Apr 9, 06:00 UTC

→

Valid To

Fri, Apr 10, 06:00 UTC

Duration

24 hours

Raw TAF

TAF KGTF 090520Z 0906/1006 07009KT P6SM FEW250 FM091000 34011KT P6SM SCT050 SCT200 FM091500 06009KT P6SM SCT025 BKN050 FM092300 08009KT P6SM FEW200

Hourly Forecast Grid

TAF periods expanded to hourly time slots. Scroll horizontally to see the full forecast.

Time	06Z	07Z	08Z	09Z	10Z	11Z	12Z	13Z	14Z	15Z	16Z	17Z	18Z	19Z	20Z	21Z	22Z	23Z	Apr 1000Z	01Z	02Z	03Z	04Z	05Z
Category	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR
Weather
Vis (SM)	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+
Ceiling (ft)	CLR	CLR	CLR	CLR	CLR	CLR	CLR	CLR	CLR	5k	5k	5k	5k	5k	5k	5k	5k	CLR	CLR	CLR	CLR	CLR	CLR	CLR
Wind Dir	070	070	070	070	340	340	340	340	340	060	060	060	060	060	060	060	060	080	080	080	080	080	080	080
Wind (kt)	9	9	9	9	11	11	11	11	11	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Gusts (kt)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Period	BASE	BASE	BASE	BASE	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM

Change types:FM = FromBECMG = BecomingTEMPO = TemporaryPROB = ProbabilityTimes in UTC (Zulu)

Forecast Periods

4 forecast periods decoded from the TAF

TAF KGTF 090520Z 0906/1006 07009KT P6SM FEW250 FM091000 34011KT P6SM SCT050 SCT200 FM091500 06009KT P6SM SCT025 BKN050 FM092300 08009KT P6SM FEW200

Valid: Apr 9, 06:00 UTC to Apr 10, 06:00 UTC

BASEApr 9, 06:00 UTC — Apr 9, 10:00 UTC

Wind: 70° at 9 kt

Vis: 6+ SM

Clouds: Few 25,000 ft

FMApr 9, 10:00 UTC — Apr 9, 15:00 UTC

Wind: 340° at 11 kt

Vis: 6+ SM

Clouds: Scattered 5,000 ft, Scattered 20,000 ft

FMApr 9, 15:00 UTC — Apr 9, 23:00 UTC

Wind: 60° at 9 kt

Vis: 6+ SM

Clouds: Scattered 2,500 ft, Broken 5,000 ft

FMApr 9, 23:00 UTC — Apr 10, 06:00 UTC

Wind: 80° at 9 kt

Vis: 6+ SM

Clouds: Few 20,000 ft

Daylight

Sunrise, sunset, and civil twilight for Great Falls International Airport

Sunrise: 12:48ZSunset: 02:06ZDay length: 13h 18m

TAF data sourced from Aviation Weather Center (aviationweather.gov). Refreshed every 10 minutes. This information is for reference only and should not be used for flight planning.

Great Falls International Airport

KGTF / GTF / GTF

Great Falls, MT

3,680 ft MSL

Medium AirportToweredScheduled ServiceMETARTAF

View on Map Website Wikipedia

Terminal Aerodrome Forecast

Issued: Thu, Apr 9, 05:20 UTC

Valid From

Thu, Apr 9, 06:00 UTC

→

Valid To

Fri, Apr 10, 06:00 UTC

Duration

24 hours

Raw TAF

TAF KGTF 090520Z 0906/1006 07009KT P6SM FEW250 FM091000 34011KT P6SM SCT050 SCT200 FM091500 06009KT P6SM SCT025 BKN050 FM092300 08009KT P6SM FEW200

Hourly Forecast Grid

TAF periods expanded to hourly time slots. Scroll horizontally to see the full forecast.

Time	06Z	07Z	08Z	09Z	10Z	11Z	12Z	13Z	14Z	15Z	16Z	17Z	18Z	19Z	20Z	21Z	22Z	23Z	Apr 1000Z	01Z	02Z	03Z	04Z	05Z
Category	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR	VFR
Weather
Vis (SM)	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+	6+
Ceiling (ft)	CLR	CLR	CLR	CLR	CLR	CLR	CLR	CLR	CLR	5k	5k	5k	5k	5k	5k	5k	5k	CLR	CLR	CLR	CLR	CLR	CLR	CLR
Wind Dir	070	070	070	070	340	340	340	340	340	060	060	060	060	060	060	060	060	080	080	080	080	080	080	080
Wind (kt)	9	9	9	9	11	11	11	11	11	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Gusts (kt)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Period	BASE	BASE	BASE	BASE	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM	FM

Change types:FM = FromBECMG = BecomingTEMPO = TemporaryPROB = ProbabilityTimes in UTC (Zulu)

Forecast Periods

4 forecast periods decoded from the TAF

TAF KGTF 090520Z 0906/1006 07009KT P6SM FEW250 FM091000 34011KT P6SM SCT050 SCT200 FM091500 06009KT P6SM SCT025 BKN050 FM092300 08009KT P6SM FEW200

Valid: Apr 9, 06:00 UTC to Apr 10, 06:00 UTC

BASEApr 9, 06:00 UTC — Apr 9, 10:00 UTC

Wind: 70° at 9 kt

Vis: 6+ SM

Clouds: Few 25,000 ft

FMApr 9, 10:00 UTC — Apr 9, 15:00 UTC

Wind: 340° at 11 kt

Vis: 6+ SM

Clouds: Scattered 5,000 ft, Scattered 20,000 ft

FMApr 9, 15:00 UTC — Apr 9, 23:00 UTC

Wind: 60° at 9 kt

Vis: 6+ SM

Clouds: Scattered 2,500 ft, Broken 5,000 ft

FMApr 9, 23:00 UTC — Apr 10, 06:00 UTC

Wind: 80° at 9 kt

Vis: 6+ SM

Clouds: Few 20,000 ft

Daylight

Sunrise, sunset, and civil twilight for Great Falls International Airport

Sunrise: 12:48ZSunset: 02:06ZDay length: 13h 18m

TAF data sourced from Aviation Weather Center (aviationweather.gov). Refreshed every 10 minutes. This information is for reference only and should not be used for flight planning.