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

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

28°F

-2°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 22 Feb 11:05 PM MST
Extended Forecast for

8 Miles SSE Marysville MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain between 2pm and 5pm. Mostly sunny, with a high near 47. Breezy, with a west southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Snow likely, possibly mixed with rain, becoming all snow after 2am. Mostly cloudy, with a low around 32. West wind 13 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 41. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 2am. Low around 31. West southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 37. Windy, with a west wind 28 to 37 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Windy. Chance
    Snow then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 60 mph.

    Low: 28 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Windy, with a southwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 60 mph.

    High: 43 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind around 11 mph, with gusts as high as 24 mph.
Monday
A slight chance of rain between 2pm and 5pm. Mostly sunny, with a high near 47. Breezy, with a west southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Monday Night
Snow likely, possibly mixed with rain, becoming all snow after 2am. Mostly cloudy, with a low around 32. West wind 13 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 41. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 2am. Low around 31. West southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 37. Windy, with a west wind 28 to 37 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 28. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 60 mph.
Thursday
Mostly sunny, with a high near 43. Windy, with a southwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 60 mph.
Thursday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 31. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 41. Breezy.
Friday Night
Snow likely. Mostly cloudy, with a low around 20. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 35.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Sunday
A slight chance of snow. Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Marysville MT
 46.65°N 112.24°W (Elev. 4816 ft)
Last Update:
10:22 pm MST Feb 22, 2026
Forecast Valid:
11pm MST Feb 22, 2026-6pm MST Mar 1, 2026
 
Forecast Discussion
 
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