7-Day Forecast 46.58°N 112.01°W (Text-Only)
NWS Forecast for: Helena MT
Issued by: National Weather Service Great Falls, MT
Last Update: 8:02 am MDT Jun 9, 2026
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  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm.  Partly sunny, with a high near 19. West wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 48 km/h.

    High: 19 °C

    Mostly Sunny
    then Chance
    T-storms


  • Tonight

    Tonight: Partly cloudy, with a low around 6. West southwest wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 60 km/h.

    Low: 6 °C

    Partly Cloudy




  • Wednesday

    Wednesday: Mostly sunny, with a high near 14. Breezy, with a west wind 24 to 29 km/h increasing to 37 to 42 km/h in the morning. Winds could gust as high as 75 km/h.

    High: 14 °C

    Mostly Sunny
    and Breezy



  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 6. Breezy, with a west wind 32 to 42 km/h decreasing to 14 to 24 km/h. Winds could gust as high as 80 km/h.

    Low: 6 °C

    Breezy.
    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 21. West southwest wind 13 to 18 km/h, with gusts as high as 37 km/h.

    High: 21 °C

    Mostly Sunny




  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 6. West northwest wind 16 to 21 km/h decreasing to 8 to 13 km/h in the evening. Winds could gust as high as 39 km/h.

    Low: 6 °C

    Mostly Clear




  • Friday

    Friday: Sunny, with a high near 24. Light and variable wind becoming west northwest 13 to 18 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 24 °C

    Sunny




  • Friday
    Night

    Friday Night: A slight chance of showers after midnight.  Mostly clear, with a low around 8. Northwest wind 16 to 21 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 39 km/h.

    Low: 8 °C

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before noon.  Mostly sunny, with a high near 20.

    High: 20 °C

    Slight Chance
    Showers then
    Sunny




  • Today: A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a high near 19. West wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 48 km/h.

    Tonight: Partly cloudy, with a low around 6. West southwest wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 60 km/h.

    Wednesday: Mostly sunny, with a high near 14. Breezy, with a west wind 24 to 29 km/h increasing to 37 to 42 km/h in the morning. Winds could gust as high as 75 km/h.

    Wednesday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 6. Breezy, with a west wind 32 to 42 km/h decreasing to 14 to 24 km/h. Winds could gust as high as 80 km/h.

    Thursday: Mostly sunny, with a high near 21. West southwest wind 13 to 18 km/h, with gusts as high as 37 km/h.

    Thursday Night: Mostly clear, with a low around 6. West northwest wind 16 to 21 km/h decreasing to 8 to 13 km/h in the evening. Winds could gust as high as 39 km/h.

    Friday: Sunny, with a high near 24. Light and variable wind becoming west northwest 13 to 18 km/h in the afternoon. Winds could gust as high as 37 km/h.

    Friday Night: A slight chance of showers after midnight. Mostly clear, with a low around 8. Northwest wind 16 to 21 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 39 km/h.

    Saturday: A slight chance of showers before noon. Mostly sunny, with a high near 20.

    Saturday Night: Partly cloudy, with a low around 7.

    Sunday: Mostly sunny, with a high near 22.

    Sunday Night: Mostly clear, with a low around 8.

    Monday: Mostly sunny, with a high near 23.



    Helena MT
     46.58°N 112.01°W (Elev. 4111 m)

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