Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. 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

91°F

33°C

Humidity 18%
Wind Speed WSW 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Heat Index87°F (31°C)
Last update 26 Jul 04:00 PM MDT
Extended Forecast for

3 Miles N Great Falls International Airport MT

Heat Advisory July 26, 04:17pm until July 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 26, 04:17pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • Tonight

    Low: 60 °F

    Patchy Smoke

  • Monday

    Monday: Areas of smoke. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Areas Smoke

  • Monday Night

    Monday Night: Widespread smoke, mainly between 8pm and 10pm. Mostly clear, with a low around 58. Northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 58 °F

    Smoke

  • Tuesday

    Tuesday: Areas of smoke before 7am. Sunny and hot, with a high near 97. Light west southwest wind.

    High: 97 °F

    Areas Smoke
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East wind 5 to 9 mph becoming west southwest after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 60. West wind 5 to 9 mph becoming calm after midnight.
Monday
Areas of smoke. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Widespread smoke, mainly between 8pm and 10pm. Mostly clear, with a low around 58. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Areas of smoke before 7am. Sunny and hot, with a high near 97. Light west southwest wind.
Tuesday Night
Clear, with a low around 59. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. East wind 5 to 9 mph becoming west southwest after midnight.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny and hot, with a high near 104.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Great Falls International Airport MT
 47.53°N 111.38°W (Elev. 3399 ft)
3:52 pm MDT Jul 26, 2026
4pm MDT Jul 26, 2026-6pm MDT Aug 2, 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