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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

32°F

0°C

Humidity 49%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 10 Mar 12:45 PM MDT
Extended Forecast for

12 Miles W Marysville MT

High Wind Warning March 12, 12:00am until March 13, 12:00am
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Partly sunny, with a high near 15. Wind chill values as low as -8. Windy, with a west wind 26 to 30 mph, with gusts as high as 34 mph. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 15 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Partly cloudy, with a low around 9. Wind chill values as low as -12. Windy, with a west wind 24 to 31 mph, with gusts as high as 36 mph.

    Low: 9 °F

    Slight Chance
    Snow and
    Windy then
    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm. Mostly cloudy, with a high near 27. Wind chill values as low as -9. Windy, with a west southwest wind 24 to 34 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Windy. Chance
    Snow then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 24. Windy, with a west southwest wind 34 to 44 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow and
    Windy

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 30. Windy, with a west southwest wind 43 to 50 mph, with gusts as high as 75 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow. Low around 23. Windy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Snow and
    Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 28. Windy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 28 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Heavy Snow
    and Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Cloudy, with a high near 24. Blustery.

    High: 24 °F

    Heavy Snow
    and Blustery

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Partly sunny, with a high near 15. Wind chill values as low as -8. Windy, with a west wind 26 to 30 mph, with gusts as high as 34 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 20 percent chance of snow before 8pm. Partly cloudy, with a low around 9. Wind chill values as low as -12. Windy, with a west wind 24 to 31 mph, with gusts as high as 36 mph.
Wednesday
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 27. Wind chill values as low as -9. Windy, with a west southwest wind 24 to 34 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 24. Windy, with a west southwest wind 34 to 44 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 30. Windy, with a west southwest wind 43 to 50 mph, with gusts as high as 75 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow. Low around 23. Windy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow. The snow could be heavy at times. High near 28. Windy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 21. Breezy.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 24. Blustery.
Saturday Night
Snow, mainly before midnight. The snow could be heavy at times. Mostly cloudy, with a low around 7. Blustery.
Sunday
A chance of snow. Mostly cloudy, with a high near 20.
Sunday Night
Snow likely. Mostly cloudy, with a low around 18.
Monday
Snow likely. Cloudy, with a high near 33. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
12:22 pm MDT Mar 10, 2026
Forecast Valid:
1pm MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation