Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

24°F

-4°C

Humidity 78%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 23 Mar 01:45 AM MDT
Extended Forecast for

12 Miles W Marysville MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. West southwest wind around 14 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 40. West southwest wind 11 to 18 mph, with gusts as high as 24 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. West wind 14 to 20 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after noon.  Partly sunny, with a high near 44. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 28 mph.  Little or no snow accumulation expected.

    High: 44 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely before midnight, then a chance of rain and snow.  Snow level 8600 feet. Mostly cloudy, with a low around 35. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Breezy. Rain
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely.  Mostly cloudy, with a high near 39. Windy.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 21. Windy.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Snow Likely
    and Windy

  • Thursday

    Thursday: A chance of snow, mainly before noon.  Mostly sunny, with a high near 27. Windy.

    High: 27 °F

    Chance Snow
    and Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. Breezy.

    Low: 16 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. West southwest wind around 14 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 40. West southwest wind 11 to 18 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 31. West wind 14 to 20 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of snow after noon. Partly sunny, with a high near 44. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Tuesday Night
Rain likely before midnight, then a chance of rain and snow. Snow level 8600 feet. Mostly cloudy, with a low around 35. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Snow likely. Mostly cloudy, with a high near 39. Windy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 21. Windy. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow, mainly before noon. Mostly sunny, with a high near 27. Windy.
Thursday Night
Mostly clear, with a low around 16. Breezy.
Friday
Sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
2:01 am MDT Mar 23, 2026
2am MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
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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