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

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

A Few Clouds

93°F

34°C

Humidity 59%
Wind Speed E 12 mph
Barometer 29.90 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 12 Aug 6:15 pm EDT
Extended Forecast for

Meggett SC

Heat Advisory August 12, 06:33pm until August 12, 08:00pm
Extreme Heat Warning August 13, 11:00am until August 13, 08:00pm
Click here for hazard details and duration
...
Extreme Heat Warning
  •  
    Heat Advisory August 12, 06:33pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Heat index values as high as 111. West wind 5 to 8 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 80. Southwest wind 5 to 9 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. Heat index values as high as 113. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 97. Heat index values as high as 111. West wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 80. Southwest wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 113. Light southwest wind increasing to 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 81.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Meggett SC
 32.68°N 80.26°W (Elev. 3 ft)
Last Update:
2:35 pm EDT Aug 12, 2026
Forecast Valid:
6pm EDT Aug 12, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation