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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

72°F

22°C

Humidity 35%
Wind Speed SW 17 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 02 Oct 01:15 PM MDT
Extended Forecast for

10 Miles NNE Sun Prairie MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. West wind around 17 mph, with gusts as high as 26 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Light and variable wind becoming east 5 to 9 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. East wind 5 to 9 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Light and variable wind becoming southwest 5 to 10 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. West wind around 17 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 44. West wind 7 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 67. Light and variable wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 40. East wind 5 to 9 mph becoming calm after midnight.
Sunday
Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49. Light and variable wind becoming southwest 5 to 10 mph after midnight.
Monday
Sunny, with a high near 83. Southwest wind 13 to 21 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 51. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 75.
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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:
12:31 pm MDT Oct 2, 2026
Forecast Valid:
1pm MDT Oct 2, 2026-6pm MDT Oct 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation