Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

60°F

16°C

Humidity 49%
Wind Speed W 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 29 Jul 02:53 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a steady temperature around 63. Calm wind.

    Low: 63 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Sunny, with a high near 95. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Partly cloudy, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 60 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 2pm, then patchy smoke after 3pm. Sunny and hot, with a high near 98. West southwest wind around 5 mph becoming calm.

    High: 98 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight.  Patchy smoke before 7pm. Partly cloudy, with a low around 60. West southwest wind around 7 mph becoming east southeast in the evening.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. West wind 3 to 6 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 61. North wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 106. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Breezy.

    Low: 61 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a steady temperature around 63. Calm wind.
Wednesday
Areas of smoke. Sunny, with a high near 95. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Patchy smoke. Partly cloudy, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Patchy smoke before 2pm, then patchy smoke after 3pm. Sunny and hot, with a high near 98. West southwest wind around 5 mph becoming calm.
Thursday Night
A 30 percent chance of showers before midnight. Patchy smoke before 7pm. Partly cloudy, with a low around 60. West southwest wind around 7 mph becoming east southeast in the evening.
Friday
Sunny and hot, with a high near 99. West wind 3 to 6 mph.
Friday Night
Clear, with a low around 61. North wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Sunny and hot, with a high near 106. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 61. Breezy.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
12:31 am MDT Jul 29, 2026
3am MDT Jul 29, 2026-6pm MDT Aug 4, 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