Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

78°F

26°C

Humidity 43%
Wind Speed E 10 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Jul 09:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming southwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy smoke between 1pm and 3pm. Sunny and hot, with a high near 96. Southwest wind 5 to 7 mph.

    High: 96 °F

    Sunny then
    Patchy Smoke

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Patchy smoke between 10pm and 5am. Partly cloudy, with a low around 63. South southwest wind around 8 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke before 7am. Sunny and hot, with a high near 98. Southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 98 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. West wind 12 to 17 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Light southwest wind becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. South southwest wind 5 to 13 mph, with gusts as high as 26 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. East wind 5 to 7 mph becoming southwest after midnight.
Thursday
Patchy smoke between 1pm and 3pm. Sunny and hot, with a high near 96. Southwest wind 5 to 7 mph.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy smoke between 10pm and 5am. Partly cloudy, with a low around 63. South southwest wind around 8 mph. Chance of precipitation is 20%.
Friday
Patchy smoke before 7am. Sunny and hot, with a high near 98. Southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Clear, with a low around 63. West wind 12 to 17 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny and hot, with a high near 103. Light southwest wind becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Mostly clear, with a low around 63. Southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Sunny and hot, with a high near 97. South southwest wind 5 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
3:12 pm MDT Jul 22, 2026
10pm MDT Jul 22, 2026-6pm MDT Jul 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database