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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Fair

93°F

34°C

Humidity 36%
Wind Speed SW 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 4 Jul 7:55 pm EDT
Extended Forecast for

2 Miles W South Sumter SC

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 5 to 7 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 106. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. South wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 40%. 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

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind 5 to 7 mph becoming calm after midnight.
Sunday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely after 2pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 106. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. South wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W South Sumter SC
 33.87°N 80.38°W (Elev. 151 ft)
Last Update:
8:05 pm EDT Jul 4, 2026
Forecast Valid:
9pm EDT Jul 4, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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