Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Malmstrom Air Force Base (KGFA)

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

thunder

81°F

27°C

Humidity 32%
Wind Speed SSE 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Aug 02:14 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 82. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 3am.  Low around 50. West wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers between 9am and 11am.  Patchy smoke between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 66 °F

    Chance
    Showers then
    Patchy Smoke
    and Breezy

  • Sunday Night

    Sunday Night: Patchy smoke after 5am. Mostly clear, with a low around 45. Southwest wind 9 to 17 mph, with gusts as high as 32 mph.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Smoke

  • Monday

    Monday: Patchy smoke before 7am. Sunny, with a high near 79. Southwest wind 5 to 7 mph.

    High: 79 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Light and variable wind becoming east around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight.  Mostly cloudy, with a low around 54. East southeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 82. South southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms likely, then showers after 3am. Low around 50. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%.
Sunday
A 50 percent chance of showers between 9am and 11am. Patchy smoke between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
Patchy smoke after 5am. Mostly clear, with a low around 45. Southwest wind 9 to 17 mph, with gusts as high as 32 mph.
Monday
Patchy smoke before 7am. Sunny, with a high near 79. Southwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 48. Light and variable wind becoming east around 6 mph.
Tuesday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 54. East southeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 82.
Wednesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Friday
A slight chance of showers. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
12:31 pm MDT Aug 29, 2026
2pm MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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