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

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

NA

4°F

-16°C

Humidity 76%
Wind Speed NNE 22 MPH
Barometer NA
Dewpoint -2°F (-19°C)
Visibility NA
Wind Chill-18°F (-28°C)
Last update 17 Feb 11:15 PM MST
Extended Forecast for

Marysville MT

Cold Weather Advisory February 17, 11:35pm until February 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 17, 11:35pm until February 19, 12:00pm

    NOW until 12:00pm Thu

    Cold Weather Advisory

  • Tonight

    Low: -5 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly between 11am and 4pm. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -25. North northeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: -1 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around -4. Wind chill values as low as -25. North northeast wind 5 to 11 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

    Low: -4 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Wind chill values as low as -10. East southeast wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 10. East northeast wind around 6 mph becoming west southwest in the evening. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 24. West wind 7 to 14 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Partly cloudy, with a low around 10. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 10 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 27. West southwest wind around 8 mph becoming east in the afternoon.

    High: 27 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around -5. Wind chill values as low as -20. North northeast wind 13 to 16 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly between 11am and 4pm. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -25. North northeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around -4. Wind chill values as low as -25. North northeast wind 5 to 11 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Wind chill values as low as -10. East southeast wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10. East northeast wind around 6 mph becoming west southwest in the evening. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 24. West wind 7 to 14 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 10. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 27. West southwest wind around 8 mph becoming east in the afternoon.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Sunday
A slight chance of snow. Mostly sunny, with a high near 34.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Monday
A chance of snow. Partly sunny, with a high near 40.
Monday Night
Snow likely. Mostly cloudy, with a low around 25.
Tuesday
Snow likely. Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
9:57 pm MST Feb 17, 2026
Forecast Valid:
11pm MST Feb 17, 2026-6pm MST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation