Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333° N Lon: 111.38222° W Elev: 3675.0 ft.

haze

82°F

28°C

Humidity 23%
Wind Speed N 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Heat Index80°F (27°C)
Last update 09 Aug 04:15 PM MDT
Detailed forecast for

Cascade County below 5000ft

Tonight
Mostly clear. Areas of smoke early in the evening, then patchy smoke in the late evening and overnight. Lows in the mid 50s. Northeast winds 5 to 15 mph shifting to the southeast after midnight.
Monday
Sunny. Patchy smoke in the morning, then areas of smoke in the afternoon. Highs in the upper 80s. West winds up to 15 mph.
Monday Night
Mostly clear. Patchy smoke in the evening, then areas of smoke after midnight. Lows in the mid 50s. Northwest winds 5 to 10 mph shifting to the southwest after midnight.
Tuesday
Sunny. Patchy smoke in the morning. Highs in the mid 80s. West winds up to 5 mph shifting to the north in the afternoon.
Tuesday Night
Mostly clear. Lows in the mid 50s. Northeast winds 5 to 15 mph.
Wednesday
Sunny. Highs in the upper 70s.
Wednesday Night
Mostly cloudy. Chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the lower 50s. Chance of precipitation 70 percent.
Thursday And Thursday Night
Rain showers likely and slight chance of thunderstorms. Highs around 70. Lows in the upper 40s. Chance of precipitation 70 percent.
Friday
Mostly cloudy. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Highs around 70. Chance of showers 50 percent.
Friday Night
Mostly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 20 percent.
Saturday
Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent.
Saturday Night
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower 50s.
Sunday
Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 80s.



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337 PM MDT Sun Aug 9 2026
 
 

Additional Resources

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National Digital Forecast Database