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

Severe Thunderstorms Possible from Ohio Valley to Mid-Atlantic; Excessive Heat in Central U.S.

Thunderstorms associated with wind damage and a risk for a tornado, will be possible from the Ohio Valley, central Appalachians and Mid-Atlantic states on Thursday. Dangerous heat will be possible from the Central Plains into the northern Gulf Coast though the weekend. Heavy rain in the Southwest U.S. could lead to flash flooding over the next several days as monsoonal conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Hilton Head Island, Hilton Head Airport (KHXD)

Lat: 32.22°NLon: 80.7°WElev: 20ft.

Fair

82°F

28°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 29 Jul 9:15 pm EDT
Extended Forecast for

Hilton Head Island SC

Excessive Heat Watch July 30, 01:00pm until July 30, 07:00pm
Click here for hazard details and duration
Excessive Heat Watch

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southwest wind around 6 mph.

    Mostly Clear

    Low: 78 °F

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 109. South wind 7 to 13 mph.

    Sunny

    High: 95 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 82. South wind 8 to 11 mph.

    Partly Cloudy

    Low: 82 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 113. West wind 7 to 10 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81. Southwest wind 8 to 10 mph.

    Chance
    T-storms

    Low: 81 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95.

    Chance
    T-storms

    High: 95 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.

    Chance
    T-storms

    Low: 78 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 89 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 76 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 78. Southwest wind around 6 mph.
Friday
Sunny, with a high near 95. Heat index values as high as 109. South wind 7 to 13 mph.
Friday Night
Partly cloudy, with a low around 82. South wind 8 to 11 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 113. West wind 7 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81. Southwest wind 8 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms, mainly after 8am. High near 87. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms. Low around 75. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Hilton Head Island SC
 32.23°N 80.75°W (Elev. 3 ft)
Last Update:
6:21 pm EDT Jul 29, 2021
Forecast Valid:
9pm EDT Jul 29, 2021-6pm EDT Aug 5, 2021
 
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