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.

Overcast

61°F

16°C

Humidity 63%
Wind Speed W 11 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Jul 09:20 PM MDT
Extended Forecast for

8 Miles S Marysville MT

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 47. West wind around 6 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 70. West wind 3 to 7 mph.

    High: 70 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. West wind 3 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. West wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 77. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52. West southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 47. West wind around 6 mph.
Thursday
Increasing clouds, with a high near 70. West wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 50. West wind 3 to 7 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. West wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 49. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Independence Day
Sunny, with a high near 77. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Clear, with a low around 52. West southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 80. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 79.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Marysville MT
 46.65°N 112.27°W (Elev. 4915 ft)
Last Update:
9:32 pm MDT Jul 1, 2026
Forecast Valid:
9pm MDT Jul 1, 2026-6pm MDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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