Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Malmstrom Air Force Base (KGFA)

Lat: 47.5°NLon: 111.18333°WElev: 3527.0ft.

Partly Cloudy

59°F

15°C

Humidity 63%
Wind Speed S 4 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Aug 06:55 AM MDT
Extended Forecast for

4 Miles SE Great Falls MT

  • Today

    Today: A slight chance of thunderstorms after 5pm.  Partly sunny, with a high near 95. South wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm.  Cloudy during the early evening, then gradual clearing, with a low around 58. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 88 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. South southwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 79. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 50. Southwest wind 7 to 9 mph.  Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon.  Partly sunny, with a high near 72. West southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 45. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A slight chance of thunderstorms after 5pm. Partly sunny, with a high near 95. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 58. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly cloudy, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 57. South southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Saturday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 79. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 50. Southwest wind 7 to 9 mph. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before noon. Partly sunny, with a high near 72. West southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 45. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 82.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Great Falls MT
 47.46°N 111.24°W (Elev. 3399 ft)
4:21 am MDT Aug 27, 2026
7am MDT Aug 27, 2026-6pm MDT Sep 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