Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

20°F

-7°C

Humidity 94%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 01 Mar 06:30 AM MST
Extended Forecast for

Marysville MT

  • Today

    Today: Sunny, with a high near 46. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West southwest wind around 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind around 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 11am, then rain, possibly mixed with snow.  High near 44. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Mostly cloudy, with a low around 32. West wind around 17 mph, with gusts as high as 31 mph.

    Low: 32 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 46. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 32. West southwest wind around 8 mph.
Monday
Mostly sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 29. West wind around 10 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
A chance of snow before 11am, then rain, possibly mixed with snow. High near 44. South southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Mostly cloudy, with a low around 32. West wind around 17 mph, with gusts as high as 31 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 37. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 39. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
6:37 am MST Mar 1, 2026
6am MST Mar 1, 2026-6pm MST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database