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

Dangerous Heat Building in the South; Severe Storms From Plains To MS Valley

Intensifying high pressure is producing dangerous heat and humidity in the south-central U.S. with heat indexes possibly exceeding 110. Triple digit heat will also continue for some western areas. Elsewhere, a front moving through the central U.S. may produce severe thunderstorms and heavy rainfall in parts of the Plains and MS Valley through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Hilton Head Island, Hilton Head Airport (KHXD)

Lat: 32.22°NLon: 80.7°WElev: 20ft.

Partly Cloudy

81°F

27°C

Humidity 89%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 20 Jul 9:50 am EDT
Extended Forecast for

Hilton Head Island SC

  • Today

    Today: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 85 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. West wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    then Chance
    Showers

    Low: 75 °F

  • Saturday

    Saturday: Partly sunny, with a high near 89. West wind 5 to 9 mph becoming south in the afternoon.

    Partly Sunny

    High: 89 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 77. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 77 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind 10 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 76 °F

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 89 °F

Detailed Forecast

Today
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. West wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 89. West wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 77. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind 10 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Hilton Head Island SC
 32.2°N 80.76°W (Elev. 10 ft)
Last Update:
10:06 am EDT Jul 20, 2018
Forecast Valid:
10am EDT Jul 20, 2018-6pm EDT Jul 26, 2018
 
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