7-Day Forecast 46.58°N 112.04°W (Text-Only)
NWS Forecast for: Helena MT
Issued by: National Weather Service Great Falls, MT
Last Update: 2:23 pm MDT Jul 14, 2025
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  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am.  Mostly cloudy, with a low around 12. North northwest wind 21 to 26 km/h, with gusts as high as 50 km/h.  Chance of precipitation is 30%.

    Low: 12 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 9am.  High near 15. North wind 16 to 23 km/h, with gusts as high as 45 km/h.  Chance of precipitation is 90%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 15 °C

    Showers



  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 9. North northwest wind 13 to 21 km/h, with gusts as high as 40 km/h.  Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 9 °C

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 24. North northwest wind 8 to 11 km/h becoming east in the afternoon.

    High: 24 °C

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 11. East wind 8 to 11 km/h becoming south after midnight.

    Low: 11 °C

    Mostly Clear



  • Thursday

    Thursday: Sunny, with a high near 31. South wind 5 to 14 km/h becoming north northeast in the afternoon. Winds could gust as high as 34 km/h.

    High: 31 °C

    Sunny



  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 12. Northwest wind 11 to 16 km/h becoming light  after midnight. Winds could gust as high as 34 km/h.

    Low: 12 °C

    Mostly Clear



  • Friday

    Friday: Sunny, with a high near 29. Light northwest wind becoming north northeast 8 to 13 km/h in the afternoon. Winds could gust as high as 29 km/h.

    High: 29 °C

    Sunny



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 13.

    Low: 13 °C

    Mostly Clear



  • Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Mostly cloudy, with a low around 12. North northwest wind 21 to 26 km/h, with gusts as high as 50 km/h. Chance of precipitation is 30%.

    Tuesday: Showers, with thunderstorms also possible after 9am. High near 15. North wind 16 to 23 km/h, with gusts as high as 45 km/h. Chance of precipitation is 90%. New rainfall amounts between 5 and 7.5 mm possible.

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 9. North northwest wind 13 to 21 km/h, with gusts as high as 40 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Wednesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 24. North northwest wind 8 to 11 km/h becoming east in the afternoon.

    Wednesday Night: Mostly clear, with a low around 11. East wind 8 to 11 km/h becoming south after midnight.

    Thursday: Sunny, with a high near 31. South wind 5 to 14 km/h becoming north northeast in the afternoon. Winds could gust as high as 34 km/h.

    Thursday Night: Mostly clear, with a low around 12. Northwest wind 11 to 16 km/h becoming light after midnight. Winds could gust as high as 34 km/h.

    Friday: Sunny, with a high near 29. Light northwest wind becoming north northeast 8 to 13 km/h in the afternoon. Winds could gust as high as 29 km/h.

    Friday Night: Mostly clear, with a low around 13.

    Saturday: Sunny, with a high near 32.

    Saturday Night: Partly cloudy, with a low around 14.

    Sunday: Mostly sunny, with a high near 31.

    Sunday Night: Partly cloudy, with a low around 14.

    Monday: Mostly sunny, with a high near 29.



    Helena MT
     46.58°N 112.04°W (Elev. 4413 m)

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