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

Chester Catawba Regional Airport (KDCM)

Lat: 34.79° N Lon: 81.2° W Elev: 656 ft.

Thunderstorm in Vicinity

81°F

27°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 29.95 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 9:15 pm EDT
Detailed forecast for

Chester County

Tonight
Partly cloudy. Lows in the mid 70s. West winds around 5 mph.
Tuesday
Mostly sunny. Hot with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 102.
Tuesday Night
Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph, becoming northeast after midnight.
Wednesday
Sunny, hot with highs in the mid 90s. North winds around 5 mph. Heat index values up to 102 in the afternoon.
Wednesday Night
Mostly clear. Lows in the lower 70s. Light and variable winds.
Thursday
Sunny, hot with highs in the mid 90s. Heat index values up to 105.
Thursday Night
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.
Friday
Mostly sunny in the morning, then partly sunny with showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 100.
Friday Night
Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 60 percent.
Saturday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
Saturday Night
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent.
Sunday
Mostly sunny. Highs around 90.
Sunday Night
Mostly clear. Lows in the upper 60s.
Monday
Sunny. Highs in the upper 80s.



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716 PM EDT Mon Aug 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database