The Work Week will Begin with Unsettled Weather from the Southern Plains to the Great Lakes

Unsettled weather is forecast to continue through the first half of the work week from the Southern Plains to the Great Lakes as a frontal system moves through. Isolated to scattered severe thunderstorms and flash flooding will be possible each day. Meanwhile, scattered showers and thunderstorms are expected across the Southwest and California, with isolated flash flooding possible. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

54°F

12°C

Humidity 66%
Wind Speed WSW 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Sep 02:00 AM MDT
Detailed forecast for

Cascade County below 5000ft

Today
Cooler. Mostly cloudy with a 20 percent chance of rain in the morning, then sunny in the afternoon. Highs 65 to 70. Northwest winds 5 to 15 mph.
Tonight
Colder. Mostly clear. Lows 40 to 45. South winds 5 to 10 mph.
Tuesday
Warmer, sunny. Highs 75 to 80. South winds 5 to 15 mph.
Tuesday Night
Clear. Lows 45 to 50. South winds 5 to 15 mph.
Wednesday
Warmer, sunny. Highs 85 to 90. Southwest winds 5 to 15 mph.
Wednesday Night And Thursday
Clear. Lows 45 to 50. Highs around 85.
Thursday Night
Mostly clear. Lows 50 to 55.
Friday And Friday Night
Partly cloudy. Highs 75 to 80. Lows 45 to 50.
Saturday Through Sunday
Partly cloudy. Highs 70 to 75. Lows 45 to 50.



Basemap Options
Click map to change the forecast location
Loading map...
226 AM MDT Mon Sep 22 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database