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

Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

unknown precip

24°F

-4°C

Humidity 91%
Wind Speed SE 16 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 16 Mar 03:45 AM MDT
Extended Forecast for

Marysville MT

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 24. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Slight Chance
    Snow

  • Monday

    Monday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and noon, then a chance of rain after noon. Patchy blowing snow between 7am and noon. Mostly cloudy, with a high near 42. Breezy, with a west wind 16 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 50 mph.

    Low: 39 °F

    Breezy.
    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 50. Breezy, with a west wind 23 to 29 mph, with gusts as high as 50 mph.

    High: 50 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 40 mph.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 54. Breezy, with a west wind 25 to 28 mph, with gusts as high as 49 mph.

    High: 54 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 46 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 40 mph.

    High: 60 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 24. West wind around 15 mph, with gusts as high as 25 mph.
Monday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and noon, then a chance of rain after noon. Patchy blowing snow between 7am and noon. Mostly cloudy, with a high near 42. Breezy, with a west wind 16 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of rain, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 50 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 50. Breezy, with a west wind 23 to 29 mph, with gusts as high as 50 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 41. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 40 mph.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 54. Breezy, with a west wind 25 to 28 mph, with gusts as high as 49 mph.
Wednesday Night
Partly cloudy, with a low around 42. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 46 mph.
Thursday
Mostly sunny, with a high near 60. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 40 mph.
Thursday Night
Partly cloudy, with a low around 46. Breezy.
Friday
A slight chance of rain after noon. Mostly sunny, with a high near 60. Breezy.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43. Breezy.
Saturday
A chance of rain. Partly sunny, with a high near 53. Breezy.
Saturday Night
Mostly clear, with a low around 32. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
3:57 am MDT Mar 16, 2026
Forecast Valid:
4am MDT Mar 16, 2026-6pm MDT Mar 22, 2026
 
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Additional Resources

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