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Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Mist

-4°F

-20°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint -8°F (-22°C)
Visibility 2.50 mi
Last update 23 Jan 09:35 AM MST
Extended Forecast for

Sun Prairie MT

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 11. Wind chill values as low as -15. Northeast wind around 5 mph becoming light and variable.

    High: 11 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around -6. Wind chill values as low as -20. Southwest wind around 7 mph.

    Low: -6 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy, with a high near 24. Wind chill values as low as -5. West southwest wind 7 to 10 mph becoming northwest in the afternoon. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0. North wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 0 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 31. Light south wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. West southwest wind 7 to 11 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 11. Wind chill values as low as -15. Northeast wind around 5 mph becoming light and variable.
Tonight
Increasing clouds, with a low around -6. Wind chill values as low as -20. Southwest wind around 7 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 24. Wind chill values as low as -5. West southwest wind 7 to 10 mph becoming northwest in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0. North wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Sunny, with a high near 31. Light south wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 15. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 16. West southwest wind 7 to 11 mph.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie MT
 47.52°N 111.47°W (Elev. 3419 ft)
Last Update:
3:22 am MST Jan 23, 2026
Forecast Valid:
9am MST Jan 23, 2026-6pm MST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation