Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975° N Lon: 106.47306° W Elev: 5348.0 ft.

Clear

82°F

28°C

Humidity 7%
Wind Speed W 14 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 09 Sep 05:05 PM MDT
Detailed forecast for

Casper Mountain

This Afternoon
Sunny, breezy with highs in the lower 70s. West winds 15 to 20 mph with gusts up to 30 mph.
Tonight
Clear. Lows in the mid 40s. North winds 10 to 15 mph, becoming south after midnight.
Thursday
Sunny, breezy with highs in the mid 70s. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the afternoon.
Thursday Night
Mostly clear and breezy. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Friday
Partly cloudy and breezy. Highs in the lower 70s. Southwest winds 15 to 25 mph with gusts up to 40 mph.
Friday Night
Partly cloudy. A slight chance of showers in the evening. Breezy with lows in the mid 40s. Chance of rain 20 percent.
Saturday
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
Saturday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent.
Sunday
Partly cloudy. A slight chance of. Breezy with highs in the lower 70s.
Sunday Night
Partly cloudy. A chance of showers in the evening. Breezy with lows in the lower 40s. Chance of rain 30 percent.
Monday
Mostly sunny and breezy. Highs in the mid 60s.
Monday Night
Mostly clear. Lows in the lower 40s.
Tuesday
Mostly sunny. Highs around 70.



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247 PM MDT Wed Sep 9 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database