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7-Day Forecast 47.51°N 111.31°W (Text-Only)
NWS Forecast for: Great Falls MT
Issued by: National Weather Service Great Falls, MT
Last Update: 3:32 am MDT Apr 13, 2026		Print

  • Overnight

    Overnight: A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 4. West southwest wind around 8 km/h.

    Low: 4 °C

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of rain before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of rain after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 16. West southwest wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 50%.

    High: 16 °C

    Chance
    Showers and
    Patchy Fog

  • Monday
    Night

    Monday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 3. Southwest wind around 23 km/h, with gusts as high as 37 km/h.

    Low: 3 °C

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 16. Breezy, with a southwest wind 24 to 29 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 55 km/h.

    High: 16 °C

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 6. Southwest wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 50 km/h.

    Low: 6 °C

    Mostly Cloudy


  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 16. Southwest wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 16 °C

    Partly Sunny
    then Chance
    Rain

  • Wednesday
    Night

    Wednesday Night: Rain before midnight, then rain and snow. Low around -3. West southwest wind 16 to 23 km/h becoming northwest after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 90%. New snow accumulation of less than one centimeter possible.

    Low: -3 °C

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 3. Northwest wind 23 to 27 km/h, with gusts as high as 45 km/h.

    High: 3 °C

    Snow Likely


  • Thursday
    Night

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around -6.

    Low: -6 °C

    Chance Snow
    then Partly
    Cloudy

    • Overnight: A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 4. West southwest wind around 8 km/h.

    Monday: A chance of rain before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of rain after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 16. West southwest wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 50%.

    Monday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 3. Southwest wind around 23 km/h, with gusts as high as 37 km/h.

    Tuesday: Mostly sunny, with a high near 16. Breezy, with a southwest wind 24 to 29 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 55 km/h.

    Tuesday Night: Mostly cloudy, with a low around 6. Southwest wind 27 to 32 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 50 km/h.

    Wednesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 16. Southwest wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 50 km/h.

    Wednesday Night: Rain before midnight, then rain and snow. Low around -3. West southwest wind 16 to 23 km/h becoming northwest after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 90%. New snow accumulation of less than one centimeter possible.

    Thursday: Snow likely. Mostly cloudy, with a high near 3. Northwest wind 23 to 27 km/h, with gusts as high as 45 km/h.

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around -6.

    Friday: A slight chance of snow after noon. Mostly sunny, with a high near 9.

    Friday Night: Partly cloudy, with a low around -3.

    Saturday: Mostly sunny, with a high near 14.

    Saturday Night: Mostly cloudy, with a low around 1.

    Sunday: Mostly sunny, with a high near 19.


    Great Falls MT
     47.51°N 111.31°W (Elev. 3399 m)

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