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

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Thunderstorm in Vicinity

93°F

34°C

Humidity 55%
Wind Speed SE 6 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 20 Aug 12:55 pm EDT
Extended Forecast for

4 Miles WSW Alcolu SC

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Light south wind. Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 3pm. Increasing clouds, with a high near 96. Heat index values as high as 105. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 96 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    T-storms
    Likely

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Partly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Light south wind. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 75. South wind around 6 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 3pm. Increasing clouds, with a high near 96. Heat index values as high as 105. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Alcolu SC
 33.75°N 80.21°W (Elev. 118 ft)
Last Update:
7:09 am EDT Aug 20, 2026
Forecast Valid:
2pm EDT Aug 20, 2026-6pm EDT Aug 26, 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