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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

48°F

9°C

Humidity 53%
Wind Speed NW 18 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 25 Mar 06:45 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A chance of rain and snow before 1am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 30. West wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 38. Breezy, with a west wind 22 to 28 mph, with gusts as high as 43 mph.

    High: 38 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. Breezy, with a west wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.

    Low: 21 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 49. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Southwest wind 8 to 15 mph, with gusts as high as 29 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow before 1am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 30. West wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 38. Breezy, with a west wind 22 to 28 mph, with gusts as high as 43 mph.
Thursday Night
Mostly clear, with a low around 21. Breezy, with a west wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.
Friday
Sunny, with a high near 49. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 33. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 57. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 36. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 57. Southwest wind 8 to 15 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A slight chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 56.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Tuesday
A chance of snow. Partly sunny, with a high near 45.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 29.
Wednesday
Snow likely. Mostly cloudy, with a high near 43.
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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:
6:41 pm MDT Mar 25, 2026
Forecast Valid:
7pm MDT Mar 25, 2026-6pm MDT Apr 1, 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