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

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

85°F

29°C

Humidity 16%
Wind Speed ENE 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Aug 05:53 PM MDT
Extended Forecast for

Sun Prairie MT

  • Tonight

    Tonight: Partly cloudy, with a low around 50. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Light and variable wind becoming east northeast 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. East northeast wind 9 to 14 mph becoming light east after midnight. Winds could gust as high as 22 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Light east northeast wind becoming east 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. East wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 79. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. East northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 89. Light and variable wind becoming east northeast 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 52. East northeast wind 9 to 14 mph becoming light east after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 88. Light east northeast wind becoming east 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 57. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Thursday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. East wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 79. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 51.
Labor Day
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie MT
 47.54°N 111.47°W (Elev. 3399 ft)
Last Update:
5:15 pm MDT Aug 25, 2025
Forecast Valid:
6pm MDT Aug 25, 2025-6pm MDT Sep 1, 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