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: 12:32 am MDT May 11, 2026
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  • Today

    Today: Sunny, with a high near 77. Light west wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 33 mph.

    High: 77 °F

    Sunny



  • Tonight

    Tonight: Mostly clear, with a low around 43. Northwest wind 10 to 15 mph becoming light west  in the evening. Winds could gust as high as 30 mph.

    Low: 43 °F

    Mostly Clear



  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny



  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy



  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light south wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 89 °F

    Mostly Sunny



  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers after midnight.  Mostly cloudy, with a low around 52. West southwest wind 13 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%.

    Low: 52 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 72. Breezy, with a west southwest wind 14 to 19 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers and
    Breezy

  • Thursday
    Night

    Thursday Night: A slight chance of rain before midnight.  Partly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph.

    Low: 46 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny



  • Today: Sunny, with a high near 77. Light west wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 33 mph.

    Tonight: Mostly clear, with a low around 43. Northwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 30 mph.

    Tuesday: Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    Tuesday Night: Partly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Wednesday: Mostly sunny, with a high near 89. Light south wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.

    Wednesday Night: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 52. West southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. Breezy, with a west southwest wind 14 to 19 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 50%.

    Thursday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 46. Breezy, with a southwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph.

    Friday: Mostly sunny, with a high near 73.

    Friday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 44.

    Saturday: Mostly sunny, with a high near 66. Breezy.

    Saturday Night: A slight chance of rain. Partly cloudy, with a low around 40. Breezy.

    Sunday: A slight chance of rain. Mostly sunny, with a high near 63.



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

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