Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. 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 90%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 01 Dec 10:30 PM MST
Extended Forecast for

12 Miles W Marysville MT

Winter Weather Advisory until December 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • Tonight

    Low: 16 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Snow.  Patchy blowing snow before 8am. High near 20. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 20 °F

    Snow and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow.  Low around 13. Northwest wind around 9 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 16. Wind chill values as low as -5. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 16 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy blowing snow after 11pm. Mostly cloudy, with a low around 13. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Patchy
    Blowing Snow
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of snow, mainly after 11am.  Patchy blowing snow before 11am. Mostly cloudy, with a high near 23. Breezy.  New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow likely.  Patchy blowing snow after 8pm. Cloudy, with a low around 20. Breezy.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow.  Cloudy, with a high near 26. Breezy.

    High: 26 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
Snow likely. Patchy blowing snow. Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 26 to 29 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. Patchy blowing snow before 8am. High near 20. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. Low around 13. Northwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 16. Wind chill values as low as -5. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Patchy blowing snow after 11pm. Mostly cloudy, with a low around 13. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 30 mph.
Thursday
A 50 percent chance of snow, mainly after 11am. Patchy blowing snow before 11am. Mostly cloudy, with a high near 23. Breezy. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely. Patchy blowing snow after 8pm. Cloudy, with a low around 20. Breezy. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. Cloudy, with a high near 26. Breezy.
Friday Night
Snow. Cloudy, with a low around 22. Windy.
Saturday
Snow. Mostly cloudy, with a high near 26. Windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Breezy.
Sunday
A chance of snow. Mostly cloudy, with a high near 23. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Windy.
Monday
A chance of snow. Mostly cloudy, with a high near 28. Windy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
1:26 pm MST Dec 1, 2025
10pm MST Dec 1, 2025-6pm MST Dec 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database