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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

48°F

9°C

Humidity 36%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 16 Feb 05:30 PM MST
Extended Forecast for

12 Miles W Marysville MT

Winter Weather Advisory February 17, 02:00am until February 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly after 5am. The snow could be heavy at times. Increasing clouds, with a low around 15. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 15 °F

    Partly Cloudy
    and Breezy
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow, mainly before 9am. The snow could be heavy at times. Temperature falling to around 17 by 8am. Wind chill values as low as -2. Breezy, with a south wind 22 to 29 mph becoming west in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 27 °F⇓

    Breezy. Heavy
    Snow then
    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 1. Wind chill values as low as -20. Blustery, with a west wind 22 to 25 mph becoming northeast in the evening. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: Snow. High near 2. Wind chill values as low as -24. Blustery, with a northeast wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 2 °F

    Snow and
    Blustery

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around -3. Blustery, with a northeast wind 17 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: -3 °F

    Snow Likely
    and Blustery

  • Thursday

    Thursday: A 50 percent chance of snow. Partly sunny, with a high near 12. New snow accumulation of less than one inch possible.

    High: 12 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 5. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow

  • Friday

    Friday: Snow, mainly after 11am. Mostly cloudy, with a high near 15.

    High: 15 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 6.

    Low: 6 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely, mainly after 5am. The snow could be heavy at times. Increasing clouds, with a low around 15. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Tuesday
Snow, mainly before 9am. The snow could be heavy at times. Temperature falling to around 17 by 8am. Wind chill values as low as -2. Breezy, with a south wind 22 to 29 mph becoming west in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 1. Wind chill values as low as -20. Blustery, with a west wind 22 to 25 mph becoming northeast in the evening. Winds could gust as high as 36 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 2. Wind chill values as low as -24. Blustery, with a northeast wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around -3. Blustery, with a northeast wind 17 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 12. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly after 11am. Mostly cloudy, with a high near 15.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A chance of snow. Partly sunny, with a high near 19.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 9.
Sunday
A slight chance of snow. Partly sunny, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
Snow. Mostly cloudy, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:01 pm MST Feb 16, 2026
Forecast Valid:
5pm MST Feb 16, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation