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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed SE 13 mph
Barometer 29.80 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 23 Apr 9:55 pm EDT
Extended Forecast for

Johns Island SC

Flash Flood Watch April 24, 02:00am until April 24, 08:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Tonight

    Tonight: Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall.  Low around 69. South wind around 11 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Chance
    T-storms then
    Heavy Rain

    Low: 69 °F

  • Monday

    Monday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 76. South wind 7 to 13 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 76 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 60. West wind 7 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 60 °F

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly cloudy, with a high near 76. West wind 8 to 13 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind 5 to 8 mph.

    Partly Cloudy

    Low: 61 °F

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 67.

    Mostly Clear

    Low: 67 °F

  • Thursday

    Thursday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

Detailed Forecast

Tonight
Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Low around 69. South wind around 11 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. South wind 7 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 60. West wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 76. West wind 8 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 61. West wind 5 to 8 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
9:35 pm EDT Apr 23, 2017
10pm EDT Apr 23, 2017-6pm EDT Apr 30, 2017
 
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