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

73°F

23°C

Humidity 16%
Wind Speed SW 14 MPH
Barometer 29.41 in (995.94 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 22 Apr 11:05 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 likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 72. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Rain before midnight, then rain, possibly mixed with snow. Some thunder is also possible. Low around 30. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 40 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 likely, mainly before 8am. Mostly cloudy, with a high near 42. Northwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 24. West 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 likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 72. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%.
Tonight
Rain before midnight, then rain, possibly mixed with snow. Some thunder is also possible. Low around 30. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Snow likely, mainly before 8am. Mostly cloudy, with a high near 42. Northwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24. West 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
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
10:42 am MDT Apr 22, 2026
Forecast Valid:
11am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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