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: 4:16 am MDT Mar 18, 2025
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  • Today

    Today: A 40 percent chance of snow, mainly after 2pm.  Partly sunny, with a high near 4. West northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 45 km/h.  Little or no snow accumulation expected.

    High: 4 °C

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around -6. West wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 40 km/h.

    Low: -6 °C

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 8. West southwest wind around 11 km/h.

    High: 8 °C

    Sunny



  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around -1. South wind 10 to 14 km/h, with gusts as high as 32 km/h.

    Low: -1 °C

    Mostly Cloudy



  • Thursday

    Thursday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 7. South southwest wind 11 to 21 km/h becoming west 24 to 34 km/h in the afternoon. Winds could gust as high as 65 km/h.  Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible.

    High: 7 °C

    Snow Likely



  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -3. Breezy, with a west wind 32 to 37 km/h decreasing to 18 to 23 km/h after midnight. Winds could gust as high as 70 km/h.

    Low: -3 °C

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 9. South southwest wind 16 to 24 km/h, with gusts as high as 50 km/h.

    High: 9 °C

    Partly Sunny



  • Friday
    Night

    Friday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 0. Southwest wind 16 to 21 km/h, with gusts as high as 45 km/h.

    Low: 0 °C

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow.  Partly sunny, with a high near 6. Breezy.

    High: 6 °C

    Chance Snow
    and Breezy


  • Today: A 40 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 4. West northwest wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 45 km/h. Little or no snow accumulation expected.

    Tonight: A 20 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming clear, with a low around -6. West wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 40 km/h.

    Wednesday: Sunny, with a high near 8. West southwest wind around 11 km/h.

    Wednesday Night: Mostly cloudy, with a low around -1. South wind 10 to 14 km/h, with gusts as high as 32 km/h.

    Thursday: Snow likely, mainly after noon. Mostly cloudy, with a high near 7. South southwest wind 11 to 21 km/h becoming west 24 to 34 km/h in the afternoon. Winds could gust as high as 65 km/h. Chance of precipitation is 60%. New snow accumulation of less than a half centimeter possible.

    Thursday Night: Partly cloudy, with a low around -3. Breezy, with a west wind 32 to 37 km/h decreasing to 18 to 23 km/h after midnight. Winds could gust as high as 70 km/h.

    Friday: Partly sunny, with a high near 9. South southwest wind 16 to 24 km/h, with gusts as high as 50 km/h.

    Friday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 0. Southwest wind 16 to 21 km/h, with gusts as high as 45 km/h.

    Saturday: A chance of snow. Partly sunny, with a high near 6. Breezy.

    Saturday Night: Mostly cloudy, with a low around -2. Breezy.

    Sunday: A slight chance of rain and snow. Partly sunny, with a high near 8.

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 3.

    Monday: A chance of rain and snow. Mostly cloudy, with a high near 12.



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

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