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

Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

46°F

8°C

Humidity 46%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 04 Mar 09:45 AM MST
Extended Forecast for

12 Miles W Marysville MT

Winter Weather Advisory March 4, 06:00pm until March 5, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 34. Southwest wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

    High: 34 °F

    Partly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 22. Breezy, with a west wind 20 to 28 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Breezy. Heavy
    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow. High near 24. Windy, with a west wind around 30 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. Windy, with a west wind 23 to 31 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely
    and Windy

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 25. Breezy, with a west wind 22 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 23. Windy. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Windy

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly cloudy, with a high near 33. Windy. Little or no snow accumulation expected.

    High: 33 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 31. Windy.

    Low: 31 °F

    Chance Snow
    and Windy

  • Sunday

    Sunday: A chance of snow, mainly after 11am. Partly sunny, with a high near 38. Windy.

    High: 38 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 34. Southwest wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow. The snow could be heavy at times. Low around 22. Breezy, with a west wind 20 to 28 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. High near 24. Windy, with a west wind around 30 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. Windy, with a west wind 23 to 31 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 25. Breezy, with a west wind 22 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23. Windy. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 33. Windy. Little or no snow accumulation expected.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 31. Windy.
Sunday
A chance of snow, mainly after 11am. Partly sunny, with a high near 38. Windy.
Sunday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 28. Windy.
Monday
Snow. Mostly cloudy, with a high near 32. Windy.
Monday Night
Snow. Mostly cloudy, with a low around 19. Windy.
Tuesday
Snow. Cloudy, with a high near 21. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
1:11 am MST Mar 4, 2026
Forecast Valid:
10am MST Mar 4, 2026-6pm MDT Mar 10, 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