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.

Partly Cloudy

81°F

27°C

Humidity 26%
Wind Speed WNW 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Jul 12:30 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 85. West wind 13 to 18 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Northwest wind 12 to 17 mph becoming east 5 to 10 mph in the evening. Winds could gust as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 83. West southwest wind 5 to 10 mph.

    High: 83 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Widespread haze after 3am. Cloudy, with a low around 56. West wind 6 to 10 mph becoming north northeast in the evening.

    Low: 56 °F

    Cloudy then
    Haze

  • Monday

    Monday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 71. North wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 85. West wind 13 to 18 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 55. Northwest wind 12 to 17 mph becoming east 5 to 10 mph in the evening. Winds could gust as high as 24 mph.
Sunday
Increasing clouds, with a high near 83. West southwest wind 5 to 10 mph.
Sunday Night
Widespread haze after 3am. Cloudy, with a low around 56. West wind 6 to 10 mph becoming north northeast in the evening.
Monday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 71. North wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.52°N 111.28°W (Elev. 3399 ft)
Last Update:
9:07 am MDT Jul 19, 2025
Forecast Valid:
12pm MDT Jul 19, 2025-6pm MDT Jul 25, 2025
 
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