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Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Aug 2:55 am EDT
Extended Forecast for

Seabrook Island SC

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

  • Overnight

    Overnight: Partly cloudy, with a low around 80. Southwest wind around 7 mph.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Heat index values as high as 109. South wind 6 to 13 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 81. Southwest wind 6 to 9 mph.

    Low: 81 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 81. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    T-storms then
    Mostly Clear

  • 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

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81.

    Low: 81 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 80. Southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 92. Heat index values as high as 109. South wind 6 to 13 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 81. Southwest wind 6 to 9 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
A chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 81. Southwest wind around 8 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 82.
Tuesday
Sunny, with a high near 96.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 81.
Thursday
Sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seabrook Island SC
 32.58°N 80.17°W (Elev. 10 ft)
Last Update:
2:40 am EDT Aug 15, 2026
Forecast Valid:
3am 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