Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

71°F

22°C

Humidity 35%
Wind Speed SE 9 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 26 May 06:53 PM MDT
Detailed forecast for

Casper Mountain

This Afternoon
Showers likely with a chance of thunderstorms. Breezy. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
Tonight
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Breezy with lows in the upper 40s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
Wednesday
Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.
Wednesday Night
Mostly cloudy and breezy. Lows in the upper 40s. Southeast winds 15 to 25 mph with gusts up to 40 mph.
Thursday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph.
Thursday Night
Partly cloudy and breezy. Lows around 50.
Friday
Mostly sunny in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
Friday Night
Mostly cloudy. Lows around 50.
Saturday
Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 60s. Chance of rain 30 percent.
Saturday Night
Partly cloudy. Lows in the mid 40s.
Sunday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 20 percent.
Sunday Night
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 20 percent.
Monday
Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.



Basemap Options
Click map to change the forecast location
Loading map...
202 PM MDT Tue May 26 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database