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

74°F

23°C

Humidity 32%
Wind Speed NE 13 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 21 Jun 07:53 PM MDT
Extended Forecast for

6 Miles E Marysville MT

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 69. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 69 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 69. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 43. North wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 73. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 47. Northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 77. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 56. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Marysville MT
 46.74°N 112.2°W (Elev. 4537 ft)
Last Update:
4:47 pm MDT Jun 21, 2026
Forecast Valid:
8pm MDT Jun 21, 2026-6pm MDT Jun 28, 2026
 
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Additional Resources

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