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 >

Hazardous Weather Conditions

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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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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

Heavy Rain
Low: 73 °F
Tuesday

Heavy Rain
High: 78 °F
Tuesday
Night

Showers
Likely
Low: 72 °F
Wednesday

Showers
High: 84 °F
Wednesday
Night

Showers
Low: 67 °F
Thursday

Chance
Showers
High: 81 °F
Thursday
Night

Mostly Clear
Low: 62 °F
Friday

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.