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

Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation. Read More >

Hazardous Weather Conditions

Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Partly Cloudy

77°F

25°C

Humidity 85%
Wind Speed SW 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Jul 6:56 am EDT
Extended Forecast for

Folly Beach SC

  • Today

    Today: Mostly sunny, with a high near 89. Heat index values as high as 105. South wind 8 to 16 mph.

    Mostly Sunny

    High: 89 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 80. Southwest wind 13 to 17 mph.

    Slight Chance
    T-storms

    Low: 80 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 9 to 15 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 91 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind 9 to 13 mph.

    Chance
    T-storms

    Low: 78 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 8 to 14 mph.

    Slight Chance
    T-storms

    High: 92 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

    Slight Chance
    T-storms

    Low: 78 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    Chance
    T-storms

    High: 91 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.

    Slight Chance
    T-storms

    Low: 79 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    Chance
    T-storms

    High: 90 °F

Detailed Forecast

Today
Mostly sunny, with a high near 89. Heat index values as high as 105. South wind 8 to 16 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 80. Southwest wind 13 to 17 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 9 to 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southwest wind 9 to 13 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 8 to 14 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Folly Beach SC
 32.67°N 79.94°W (Elev. 3 ft)
Last Update:
3:13 am EDT Jul 18, 2019
Forecast Valid:
7am EDT Jul 18, 2019-6pm EDT Jul 24, 2019
 
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