Dangerous heat and humidity from the central U.S. to East Coast

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Read More >

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Mostly Cloudy

82°F

28°C

Humidity 79%
Wind Speed S 8 mph
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 25 Jul 2:15 am EDT
Extended Forecast for

Johns Island SC

  • Overnight

    Overnight: Mostly clear, with a low around 79. South wind around 8 mph.

    Mostly Clear

    Low: 79 °F

  • Monday

    Monday: Mostly sunny, with a high near 92. South wind 5 to 10 mph.

    Mostly Sunny

    High: 92 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 78. South wind 7 to 10 mph.

    Mostly Clear

    Low: 78 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 93 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 79. Southwest wind 8 to 10 mph.

    Mostly Clear

    Low: 79 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 94 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 79.

    Partly Cloudy

    Low: 79 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    Mostly Sunny

    High: 94 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 78.

    Partly Cloudy

    Low: 78 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 79. South wind around 8 mph.
Monday
Mostly sunny, with a high near 92. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. South wind 7 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 79. Southwest wind 8 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 96.
Click Map For Forecast
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
12:36 am EDT Jul 25, 2016
2am EDT Jul 25, 2016-6pm EDT Jul 31, 2016
 
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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