National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hot Temperatures, Excessive Rainfall, and Severe Thunderstorms in the Eastern U.S.

Hot temperatures are expected again today along the Mid-Atlantic, Southeast, and lower Mississippi Valley. Heavy to excessive rainfall from thunderstorms today in parts of the Midwest to the Mid-Atlantic regions may bring areas of flooding. Severe thunderstorms pose a risk for damaging wind gusts across the Mid Atlantic region again today. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Thunderstorm in Vicinity

81°F

27°C

Humidity 73%
Wind Speed S 14 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 5 Jul 3:55 pm EDT
Extended Forecast for

South Sumter SC

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny and hot, with a high near 97. Heat index values as high as 103. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 77. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 97. Heat index values as high as 103. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 77. South wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 79.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Sumter SC
 33.89°N 80.32°W (Elev. 131 ft)
Last Update:
2:38 pm EDT Jul 5, 2026
Forecast Valid:
4pm EDT Jul 5, 2026-6pm EDT Jul 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation