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

Hazardous Weather Conditions

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Fair

82°F

28°C

Humidity 75%
Wind Speed SW 7 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Aug 12:55 am EDT
Extended Forecast for

South Sumter SC

Heat Advisory August 15, 01:41am until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 01:41am until August 15, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 96. Heat index values as high as 110. Calm wind. 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

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 108. Calm wind. 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

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 96. Heat index values as high as 110. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 108. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 103.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Thursday
Mostly sunny and hot, with a high near 98.
Thursday Night
A chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Sumter SC
 33.89°N 80.35°W (Elev. 141 ft)
Last Update:
12:09 am EDT Aug 15, 2026
Forecast Valid:
1am EDT Aug 15, 2026-6pm EDT Aug 21, 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