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.

Rain

46°F

8°C

Humidity 93%
Wind Speed SW 21 MPH
Barometer 29.51 in (999.32 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill38°F (3°C)
Last update 29 Jun 02:35 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Rain. Low around 44. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain and possibly a thunderstorm, mainly before 5pm, then a chance of rain and thunderstorms after 5pm. High near 60. West northwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 60 °F

    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 2am, then a chance of rain between 2am and 4am. Low around 50. West southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain

  • Tuesday

    Tuesday: A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 75. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. South southwest wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. South southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 44. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm, mainly before 5pm, then a chance of rain and thunderstorms after 5pm. High near 60. West northwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and possibly a thunderstorm before 2am, then a chance of rain between 2am and 4am. Low around 50. West southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 75. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. South southwest wind 5 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. South southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 78. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Independence Day
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 85.
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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:
1:41 am MDT Jun 29, 2026
Forecast Valid:
2am MDT Jun 29, 2026-6pm MDT Jul 5, 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