Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Current conditions at

Chester Catawba Regional Airport (KDCM)

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

Mostly Cloudy

90°F

32°C

Humidity 52%
Wind Speed S 8 mph
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 21 Jul 4:55 pm EDT
Detailed forecast for

Chester County

Tonight
Mostly cloudy. Lows in the mid 70s. Southwest winds 10 to 15 mph.
Wednesday
Mostly sunny. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 100.
Wednesday Night
Showers likely with a chance of thunderstorms. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Thursday
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the lower 80s. West winds 5 to 10 mph. Chance of rain 90 percent.
Thursday Night
Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 90 percent.
Friday
Showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 80 percent.
Friday Night
Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 80 percent.
Saturday
Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 80 percent.
Saturday Night
Mostly cloudy. Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 80 percent.
Sunday
Mostly sunny. Highs in the upper 80s.
Sunday Night
Mostly clear. Lows in the lower 70s.
Monday
Sunny. Highs in the mid 90s. Heat index values up to 100.
Monday Night
Partly cloudy. Lows in the lower 70s.
Tuesday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 100.



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409 PM EDT Tue Jul 21 2026
 
 

Additional Resources

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