Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

66°F

19°C

Humidity 45%
Wind Speed ENE 8 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Aug 11:35 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 5pm.  Patchy smoke after 1pm. Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Patchy smoke before 9pm, then patchy smoke after 11pm. Mostly cloudy, with a low around 58. East wind around 6 mph becoming southwest after midnight.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 5pm.  Patchy smoke before 11am. Mostly cloudy, with a high near 94. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 94 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after noon.  Partly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke after 1pm. Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy smoke before 9pm, then patchy smoke after 11pm. Mostly cloudy, with a low around 58. East wind around 6 mph becoming southwest after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke before 11am. Mostly cloudy, with a high near 94. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 56. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph.
Saturday
A chance of showers after noon. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 48.
Sunday
A chance of showers before noon. Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
11:16 pm MDT Aug 25, 2026
11pm MDT Aug 25, 2026-6pm MDT Sep 1, 2026
 
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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