Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97° N Lon: 80.48° W Elev: 243 ft.

Fair

88°F

31°C

Humidity 65%
Wind Speed SW 9 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Jul 10:55 am EDT
Detailed forecast for

Sumter County

This Afternoon
Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph.
Tonight
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Sunday
Mostly sunny. Humid with highs in the mid 90s. Southwest winds 5 to 10 mph.
Sunday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Monday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 40 percent.
Monday Night
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 40 percent.
Tuesday
Mostly sunny. Highs in the mid 90s.
Tuesday Night
Partly cloudy. Lows in the upper 70s.
Wednesday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent.
Wednesday Night
Showers likely with a chance of thunderstorms. Lows in the lower 70s. Chance of rain 70 percent.
Thursday
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent.
Thursday Night
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 70s. Chance of rain 50 percent.
Friday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.



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1108 AM EDT Sat Jul 18 2026
 
 

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