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

72°F

22°C

Humidity 35%
Wind Speed SE 5 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 06 Jun 02:35 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: A slight chance of rain, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 74. North wind around 9 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then rain likely after midnight. Cloudy, with a low around 44. North northeast wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 44 °F

    Chance
    T-storms then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 58. Breezy, with a west southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 7pm. Partly cloudy, with a low around 39. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 39 °F

    Chance Rain
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Breezy.

    High: 63 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A slight chance of rain, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 74. North wind around 9 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, then rain likely after midnight. Cloudy, with a low around 44. North northeast wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 58. Breezy, with a west southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 40 percent chance of rain, mainly before 7pm. Partly cloudy, with a low around 39. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Monday
Mostly sunny, with a high near 71. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A chance of rain and thunderstorms. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
12:32 pm MDT Jun 6, 2026
Forecast Valid:
2pm MDT Jun 6, 2026-6pm MDT Jun 12, 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