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

Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through 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

51°F

11°C

Humidity 22%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 23 Mar 08:15 PM MDT
Extended Forecast for

Marysville MT

Fire Weather Watch March 25, 12:00pm until March 25, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. West southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between noon and 1pm. Mostly sunny, with a high near 56. West southwest wind 8 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 42. West southwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 51. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Breezy, with a west wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 37. Breezy, with a west wind 17 to 24 mph, with gusts as high as 43 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. Breezy, with a west southwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.

    Low: 23 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 47. West southwest wind 7 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. West southwest wind around 7 mph.
Tuesday
A slight chance of rain between noon and 1pm. Mostly sunny, with a high near 56. West southwest wind 8 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 42. West southwest wind 16 to 18 mph, with gusts as high as 31 mph.
Wednesday
A chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 51. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Breezy, with a west wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 37. Breezy, with a west wind 17 to 24 mph, with gusts as high as 43 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 23. Breezy, with a west southwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.
Friday
Sunny, with a high near 47. West southwest wind 7 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Monday
A chance of rain. Mostly sunny, with a high near 60.
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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:
4:06 pm MDT Mar 23, 2026
Forecast Valid:
8pm MDT Mar 23, 2026-6pm MDT Mar 30, 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