Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Overcast

55°F

13°C

Humidity 76%
Wind Speed NE 4 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Sep 09:05 PM MDT
Detailed forecast for

Casper Mountain

Tonight
Mostly cloudy. Lows in the upper 30s.
Thursday
Partly cloudy in the morning, then clearing. Highs in the lower 60s. West winds around 10 mph.
Thursday Night
Mostly clear. Lows in the lower 40s.
Friday
Mostly sunny. Highs in the upper 60s. Southwest winds around 10 mph, becoming west in the afternoon.
Friday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. South winds around 10 mph after midnight.
Saturday
Partly cloudy. Highs around 70.
Saturday Night
Partly cloudy in the evening, then clearing. Lows in the upper 40s.
Sunday
Mostly sunny. Highs in the upper 60s.
Sunday Night
Partly cloudy in the evening, then clearing. Lows in the mid 40s.
Monday
Mostly sunny. A slight chance of. Highs in the mid 60s.
Monday Night
Clear. Lows in the mid 40s.
Tuesday
Sunny. Highs around 70.
Tuesday Night
Clear. Lows in the upper 40s.
Wednesday
Mostly sunny. Highs in the mid 70s.



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807 PM MDT Wed Sep 17 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database