Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. 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

72°F

22°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Jul 07:35 AM MDT
Extended Forecast for

2 Miles S Great Falls International Airport MT

Heat Advisory July 12, 07:58am until July 13, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 07:58am until July 13, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 61. North northwest wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 95. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 63. Northeast wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 89. Light and variable wind becoming north northeast 5 to 9 mph in the afternoon.  Chance of precipitation is 30%.

    High: 89 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 60. Northeast wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 89. Light and variable wind becoming east northeast around 6 mph in the afternoon.  Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. East wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Today
Partly sunny and hot, with a high near 100. South southeast wind 5 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 61. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 95. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Tuesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 89. Light and variable wind becoming north northeast 5 to 9 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Northeast wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. Light and variable wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. East wind 5 to 8 mph becoming light and variable after midnight.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 90.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Great Falls International Airport MT
 47.44°N 111.39°W (Elev. 3599 ft)
7:41 am MDT Jul 12, 2026
7am MDT Jul 12, 2026-6pm MDT Jul 18, 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