National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

54°F

12°C

Humidity 46%
Wind Speed S 10 MPH
Barometer 29.48 in (998.31 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 22 Apr 04:05 AM MDT
Extended Forecast for

Great Falls MT

  • Today

    Today: A slight chance of rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 72. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%.

    High: 72 °F

    Sunny then
    Showers and
    Breezy

  • Tonight

    Tonight: Rain before 3am, then a chance of rain and snow. Some thunder is also possible. Low around 30. Breezy, with a west southwest wind 20 to 23 mph becoming northwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 30 °F

    Showers and
    Breezy then
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Snow, mainly before noon. High near 42. Northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 38. North northwest wind 9 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. North wind 6 to 13 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 42. West wind 5 to 9 mph becoming north in the afternoon.

    High: 42 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 21. North wind 5 to 9 mph becoming light north northeast after midnight.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A slight chance of snow. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A slight chance of rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 72. Breezy, with a south southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%.
Tonight
Rain before 3am, then a chance of rain and snow. Some thunder is also possible. Low around 30. Breezy, with a west southwest wind 20 to 23 mph becoming northwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Snow, mainly before noon. High near 42. Northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 38. North northwest wind 9 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 23. North wind 6 to 13 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 42. West wind 5 to 9 mph becoming north in the afternoon.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 21. North wind 5 to 9 mph becoming light north northeast after midnight.
Sunday
A slight chance of snow. Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
12:31 am MDT Apr 22, 2026
Forecast Valid:
4am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation