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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Malmstrom Air Force Base (KGFA)

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

Mostly Cloudy

36°F

2°C

Humidity 52%
Wind Speed S 12 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 26 Dec 09:55 PM MST
Extended Forecast for

Great Falls MT

Cold Weather Advisory December 27, 10:00am until December 27, 10:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: A slight chance of snow before 3am, then a slight chance of snow after 4am. Increasing clouds, with a low around 7. Blustery, with a south southwest wind 11 to 16 mph becoming northwest 20 to 25 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    Low: 7 °F

    Partly Cloudy
    then Slight
    Chance Snow
    and Blustery

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before noon. Cloudy, with a temperature falling to around -3 by 4pm. Wind chill values as low as -20. Blustery, with a north northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 36 mph. New snow accumulation of less than one inch possible.

    High: 9 °F⇓

    Chance Snow
    and Blustery
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a steady temperature around 1. Wind chill values as low as -15. West northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 1 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 25. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind around 14 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 3am, then a slight chance of snow after 4am. Increasing clouds, with a low around 7. Blustery, with a south southwest wind 11 to 16 mph becoming northwest 20 to 25 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of snow, mainly before noon. Cloudy, with a temperature falling to around -3 by 4pm. Wind chill values as low as -20. Blustery, with a north northwest wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 36 mph. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a steady temperature around 1. Wind chill values as low as -15. West northwest wind 5 to 9 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 25. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 16. Southwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind around 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 28. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
Last Update:
10:32 pm MST Dec 26, 2025
Forecast Valid:
10pm MST Dec 26, 2025-6pm MST Jan 2, 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