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.

Fair

93°F

34°C

Humidity 63%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 19 Aug 1:55 pm EDT
Extended Forecast for

3 Miles NE Adams Run SC

Heat Advisory August 19, 02:05pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 02:05pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 98. Heat index values as high as 110. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 3 to 7 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 70%.

    High: 94 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 98. Heat index values as high as 109. South wind around 6 mph.
Tonight
Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 98. Heat index values as high as 110. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 79. South wind 3 to 7 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Adams Run SC
 32.75°N 80.31°W (Elev. 30 ft)
Last Update:
8:32 am EDT Aug 19, 2026
Forecast Valid:
2pm EDT Aug 19, 2026-6pm EDT Aug 25, 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