Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

34°F

1°C

Humidity 74%
Wind Speed SW 11 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 20 May 01:05 AM MDT
Detailed forecast for

Casper Mountain

Rest Of Tonight
Clear. Near steady temperature around 30. South winds around 10 mph.
Wednesday
Mostly sunny. Highs around 50. Southwest winds around 10 mph, becoming west in the afternoon.
Wednesday Night
Mostly clear. Lows in the lower 30s. Southwest winds around 10 mph, becoming south after midnight.
Thursday
Mostly cloudy with a chance of rain showers. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. South winds around 10 mph, becoming north in the afternoon. Chance of precipitation 50 percent.
Thursday Night
A slight chance of thunderstorms in the evening. Rain and snow showers. Little or no snow accumulation. Lows in the lower 30s. North winds around 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of precipitation 80 percent.
Friday
Mostly cloudy with a chance of snow and rain showers in the morning, then partly cloudy in the afternoon. Highs in the upper 40s. Chance of precipitation 30 percent.
Friday Night
Partly cloudy. Lows in the lower 30s.
Saturday
Mostly sunny. Highs in the upper 50s.
Saturday Night
Mostly clear. Lows in the upper 30s.
Sunday
Mostly sunny. Highs in the upper 60s.
Sunday Night
Mostly clear. Lows in the mid 40s.
Memorial Day
Mostly sunny. Highs in the lower 70s.
Monday Night
Partly cloudy in the evening, then clearing. Lows in the upper 40s.
Tuesday
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.



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1217 AM MDT Wed May 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database