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

Hazardous Weather Conditions

Current conditions at

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Partly Cloudy

97°F

36°C

Humidity 44%
Wind Speed W 6 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 17 Aug 2:15 pm EDT
Extended Forecast for

Saint George SC

Heat Advisory August 17, 02:37pm until August 17, 08:00pm
Extreme Heat Warning August 18, 11:00am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 17, 02:37pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Light south wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Heat index values as high as 111. West wind 3 to 6 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98. Light and variable wind.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 99. Heat index values as high as 109. West wind around 5 mph.
Tonight
Mostly clear, with a low around 77. Light south wind.
Tuesday
Sunny, with a high near 99. Heat index values as high as 111. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint George SC
 33.19°N 80.58°W (Elev. 102 ft)
Last Update:
2:32 pm EDT Aug 17, 2026
Forecast Valid:
2pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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