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

Hazardous Weather Conditions

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

28°F

-2°C

Humidity 60%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 30 Mar 11:15 PM MDT
Extended Forecast for

Marysville MT

Winter Storm Watch April 2, 06:00am until April 3, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 19. North wind 5 to 9 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after 3pm. Partly sunny, with a high near 41. North wind 5 to 8 mph becoming east southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 30. East wind 5 to 7 mph becoming calm in the evening. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of snow before noon, then rain likely. Partly sunny, with a high near 48. South wind 3 to 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Slight Chance
    Snow then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 34. South southeast wind around 7 mph. Chance of precipitation is 90%.

    Low: 34 °F

    Rain

  • Thursday

    Thursday: Rain and snow, becoming all snow after 9am. High near 36. South southwest wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. Low around 26. West northwest wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 38. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 38 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before midnight. Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. North wind 5 to 9 mph.
Tuesday
A 40 percent chance of snow after 3pm. Partly sunny, with a high near 41. North wind 5 to 8 mph becoming east southeast in the afternoon. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 30. East wind 5 to 7 mph becoming calm in the evening. Little or no snow accumulation expected.
Wednesday
A slight chance of snow before noon, then rain likely. Partly sunny, with a high near 48. South wind 3 to 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 34. South southeast wind around 7 mph. Chance of precipitation is 90%.
Thursday
Rain and snow, becoming all snow after 9am. High near 36. South southwest wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. Low around 26. West northwest wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 38. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 52.
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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:
10:37 pm MDT Mar 30, 2026
Forecast Valid:
11pm MDT Mar 30, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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