Heavy Rains Expected to Impact Parts of the Eastern U.S.

A strong cold front will produce heavy rain will create mainly localized areas of flash flooding to the Great Lakes and Ohio Valley. There is another flash flood threat in the parts of the Southeast and Southern Appalachians. Read More >

Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Light Rain

75°F

24°C

Humidity 96%
Wind Speed E 8 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Last update 21 Sep 3:56 am EDT
Extended Forecast for

3 Miles W Charleston SC

Flash Flood Watch until September 21, 08:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until September 21, 08:00pm

    NOW until
    8:00pm Tue

    Flash Flood Watch

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 73. East wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 73 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 78. South wind 3 to 8 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm.  Mostly cloudy, with a low around 72. Southeast wind 3 to 6 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Showers
    Likely

    Low: 72 °F

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 84. South wind 3 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am.  Low around 67. South wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    Low: 67 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm.  Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    Chance
    Showers

    High: 81 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Friday

    Friday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. South wind 3 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 72. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 84. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 67. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 63.
Saturday
A 20 percent chance of showers after 2pm. Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
3 Miles W Charleston SC
 32.8°N 80.06°W (Elev. 10 ft)
3:18 am EDT Sep 21, 2021
4am EDT Sep 21, 2021-6pm EDT Sep 27, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database