Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

57°F

14°C

Humidity 82%
Wind Speed WSW 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Aug 03:00 AM MDT
Detailed forecast for

Natrona County Lower Elevations

Rest Of Tonight
Mostly cloudy. Lows in the mid 50s.
Tuesday
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 10 to 15 mph. Chance of rain 30 percent.
Tuesday Night
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 40 percent.
Wednesday
Mostly sunny. Highs in the lower 80s. West winds around 10 mph, becoming northwest with gusts up to 30 mph in the afternoon.
Wednesday Night
Mostly clear. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph, becoming northwest after midnight.
Thursday
Mostly sunny. Highs around 90.
Thursday Night
Partly cloudy in the evening, then clearing. Lows in the upper 50s.
Friday
Mostly sunny. Highs in the lower 90s.
Friday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Saturday
Partly cloudy. A slight chance of. Highs around 90.
Saturday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent.
Sunday
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
Sunday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent.
Monday
Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s.



Basemap Options
Click map to change the forecast location
Loading map...
101 AM MDT Tue Aug 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database