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

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

NA

72°F

22°C

Humidity 38%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 06 Aug 10:53 AM MDT
Extended Forecast for

3 Miles SW Marysville MT

  • Today

    Today: Mostly sunny, with a high near 70. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 50. West northwest wind around 10 mph.

    Low: 50 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 62. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 62 °F

    Partly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 42. West wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 42 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 54. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. West wind 14 to 20 mph, with gusts as high as 31 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 50. West northwest wind around 10 mph.
Thursday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 62. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 42. West wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 54. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 45. West wind 14 to 20 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 47. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 50.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marysville MT
 46.73°N 112.35°W (Elev. 6768 ft)
Last Update:
10:10 am MDT Aug 6, 2025
Forecast Valid:
11am MDT Aug 6, 2025-6pm MDT Aug 12, 2025
 
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Additional Resources

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Chance of Precipitation