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.

NA

35°F

2°C

Humidity 27%
Wind Speed WNW 22 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 09 Mar 06:15 PM MDT
Extended Forecast for

12 Miles W Marysville MT

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

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 10. Wind chill values as low as -8. Windy, with a west wind 27 to 37 mph decreasing to 17 to 27 mph after midnight. Winds could gust as high as 40 mph.

    Low: 10 °F

    Slight Chance
    Snow and
    Windy then
    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 16. Wind chill values as low as -11. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 16 °F

    Chance Snow
    and Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 10. Wind chill values as low as -11. Windy, with a west southwest wind 23 to 32 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow
    and Windy
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 28. Wind chill values as low as -8. Windy, with a southwest wind 24 to 33 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: Snow. Low around 27. Windy, with a west southwest wind 33 to 39 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and
    Windy

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 30. Windy. 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 28. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F

    Snow and
    Windy

  • Friday

    Friday: Snow. Cloudy, with a high near 31. Breezy.

    High: 31 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 10. Wind chill values as low as -8. Windy, with a west wind 27 to 37 mph decreasing to 17 to 27 mph after midnight. Winds could gust as high as 40 mph.
Tuesday
A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 16. Wind chill values as low as -11. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 10. Wind chill values as low as -11. Windy, with a west southwest wind 23 to 32 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 28. Wind chill values as low as -8. Windy, with a southwest wind 24 to 33 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. Low around 27. Windy, with a west southwest wind 33 to 39 mph, with gusts as high as 45 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. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow. Low around 28. Windy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow. Cloudy, with a high near 31. Breezy.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 26. Breezy.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 29. Breezy.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 14. Blustery.
Sunday
Snow likely. Mostly cloudy, with a high near 26.
Sunday Night
Snow likely. Cloudy, with a low around 24.
Monday
Snow likely. Cloudy, with a high near 36. 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:
2:01 pm MDT Mar 9, 2026
Forecast Valid:
6pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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