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Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

88°F

31°C

Humidity 75%
Wind Speed S 9 mph
Barometer 30.12 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 14 Aug 11:35 am EDT
Extended Forecast for

4 Miles E Charleston SC

Extreme Heat Watch August 15, 11:00am until August 15, 08:00pm
Extreme Heat Warning August 14, 11:49am until August 14, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 11:49am until August 14, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 81. Southwest wind 7 to 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 6 to 11 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80. West wind 5 to 9 mph.

    Low: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 81.

    Low: 81 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 82.

    Low: 82 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 108. South wind 6 to 11 mph.
Tonight
Partly cloudy, with a low around 81. Southwest wind 7 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 6 to 11 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80. West wind 5 to 9 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 81.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 82.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Charleston SC
 32.76°N 79.93°W (Elev. 0 ft)
Last Update:
8:30 am EDT Aug 14, 2026
Forecast Valid:
11am EDT Aug 14, 2026-6pm EDT Aug 20, 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