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 62%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 06 Apr 12:30 AM MDT
Extended Forecast for

12 Miles W Marysville MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Blustery, with a north northeast wind 20 to 22 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Partly sunny, with a high near 45. East northeast wind 13 to 20 mph becoming west southwest in the afternoon.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 23 mph.

    Low: 34 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon.  Mostly sunny, with a high near 40. Windy, with a west southwest wind 26 to 31 mph increasing to 39 to 44 mph in the afternoon. Winds could gust as high as 49 mph.  Little or no snow accumulation expected.

    High: 40 °F

    Windy. Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 22. Windy, with a west wind 41 to 46 mph decreasing to 29 to 34 mph after midnight. Winds could gust as high as 49 mph.

    Low: 22 °F

    Windy. Slight
    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon.  Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Breezy.
    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Blustery.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Blustery, with a north northeast wind 20 to 22 mph.
Monday
Partly sunny, with a high near 45. East northeast wind 13 to 20 mph becoming west southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 23 mph.
Tuesday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 40. Windy, with a west southwest wind 26 to 31 mph increasing to 39 to 44 mph in the afternoon. Winds could gust as high as 49 mph. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Windy, with a west wind 41 to 46 mph decreasing to 29 to 34 mph after midnight. Winds could gust as high as 49 mph.
Wednesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 33. Breezy.
Wednesday Night
Partly cloudy, with a low around 23. Blustery.
Thursday
Sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
12:22 am MDT Apr 6, 2026
12am MDT Apr 6, 2026-6pm MDT Apr 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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