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

91°F

33°C

Humidity 12%
Wind Speed WSW 17 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 03 Jul 05:20 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 52 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 79. West northwest wind 6 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. West northwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Northwest wind 6 to 10 mph becoming south after midnight.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. South southwest wind around 8 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. West northwest wind 7 to 9 mph becoming southeast after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. West southwest wind 5 to 7 mph becoming north northeast in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. West wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Independence Day
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 79. West northwest wind 6 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. West northwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 49. Northwest wind 6 to 10 mph becoming south after midnight.
Sunday
Sunny, with a high near 83. South southwest wind around 8 mph.
Sunday Night
Mostly clear, with a low around 51. West northwest wind 7 to 9 mph becoming southeast after midnight.
Monday
Sunny, with a high near 86. West southwest wind 5 to 7 mph becoming north northeast in the afternoon.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
4:09 pm MDT Jul 3, 2025
Forecast Valid:
5pm MDT Jul 3, 2025-6pm MDT Jul 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation