National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

54°F

12°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Jun 07:53 AM MDT
Extended Forecast for

Great Falls MT

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 75. Light east northeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. East northeast wind 5 to 9 mph becoming south southwest in the evening. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 46. North wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 70 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. North wind 5 to 9 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 75. Light east northeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. East northeast wind 5 to 9 mph becoming south southwest in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 46. North wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 44. North wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
3:31 am MDT Jun 19, 2026
Forecast Valid:
8am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation