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

Helena Regional Airport (KHLN)

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

Clear

59°F

15°C

Humidity 28%
Wind Speed W 19 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 14 Apr 03:20 PM MDT
Extended Forecast for

8 Miles SSE Marysville MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers before 1pm, then rain showers. High near 51. Breezy, with a west southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain showers before 9pm, then snow showers. Low around 26. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 35. Northwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. West wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow, mainly between noon and 3pm, then snow showers after 3pm. Some thunder is also possible. High near 40. West wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Chance Snow
    then Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. North northwest wind 6 to 13 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph.
Wednesday
A chance of rain and snow showers before 1pm, then rain showers. High near 51. Breezy, with a west southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before 9pm, then snow showers. Low around 26. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow showers. High near 35. Northwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. West wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly between noon and 3pm, then snow showers after 3pm. Some thunder is also possible. High near 40. West wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. North northwest wind 6 to 13 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 51. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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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:
1:12 pm MDT Apr 14, 2026
Forecast Valid:
3pm MDT Apr 14, 2026-6pm MDT Apr 21, 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