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

Malmstrom Air Force Base (KGFA)

Lat: 47.5°NLon: 111.18333°WElev: 3527.0ft.

Clear

51°F

11°C

Humidity 67%
Wind Speed W 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 04 Oct 09:55 AM MDT
Extended Forecast for

4 Miles SE Great Falls MT

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 13 to 21 mph, with gusts as high as 33 mph.

    High: 84 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 55. East wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 13 to 21 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 49. Light and variable wind.
Wednesday
Sunny, with a high near 76. Light and variable wind becoming northwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 45. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 77. Breezy.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A chance of rain. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Great Falls MT
 47.46°N 111.24°W (Elev. 3399 ft)
Last Update:
4:36 am MDT Oct 4, 2026
Forecast Valid:
10am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation