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

Hazardous Weather Conditions

Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Thunderstorm Light Rain Fog/Mist

75°F

24°C

Humidity 94%
Wind Speed W 15 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 22 Aug 8:56 pm EDT
Extended Forecast for

3 Miles SW North Charleston SC

Flash Flood Warning August 22, 09:04pm until August 22, 10:30pm
Click here for hazard details and duration
...
  •  
    Flash Flood Warning August 22, 09:04pm until August 22, 10:30pm

    NOW until 10:30pm Sat

    Flash Flood Warning

  • Tonight

    Low: 75 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A chance of thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 95. Heat index values as high as 103. West wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Light south wind.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Southwest wind 3 to 5 mph.
Sunday
A chance of thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 95. Heat index values as high as 103. West wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Light south wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW North Charleston SC
 32.87°N 80.08°W (Elev. 3 ft)
Last Update:
8:32 pm EDT Aug 22, 2026
Forecast Valid:
9pm EDT Aug 22, 2026-6pm EDT Aug 29, 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