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

63°F

17°C

Humidity 29%
Wind Speed S 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 01 May 08:20 PM MDT
Extended Forecast for

10 Miles NNE Sun Prairie MT

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 69. West northwest wind 7 to 9 mph becoming northeast in the afternoon.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 43. Northeast wind 6 to 10 mph becoming west after midnight.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. West southwest wind 6 to 8 mph becoming north northwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 42. North northwest wind around 10 mph.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain. Mostly cloudy, with a high near 61. North wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 61 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 35. North wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. North wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. West wind around 9 mph.
Saturday
Partly sunny, with a high near 69. West northwest wind 7 to 9 mph becoming northeast in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 43. Northeast wind 6 to 10 mph becoming west after midnight.
Sunday
Mostly sunny, with a high near 73. West southwest wind 6 to 8 mph becoming north northwest in the afternoon.
Sunday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 42. North northwest wind around 10 mph.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 61. North wind 9 to 16 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35. North wind 6 to 15 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 59. North wind 5 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 76.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Sun Prairie MT
 47.66°N 111.37°W (Elev. 3701 ft)
Last Update:
4:27 pm MDT May 1, 2026
Forecast Valid:
8pm MDT May 1, 2026-6pm MDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation