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Hazardous Weather Conditions

Current conditions at

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed W 5 mph
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 4:35 am EDT
Extended Forecast for

Saint George SC

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

  • Today

    Today: Sunny and hot, with a high near 100. Heat index values as high as 110. West wind 3 to 7 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 99. Heat index values as high as 105. Calm wind.

    High: 99 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Calm wind.

    High: 100 °F

    Hot

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 99.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 60%.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 110. West wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 75. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 99. Heat index values as high as 105. Calm wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny and hot, with a high near 100. Calm wind.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 99.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Sunny, with a high near 95.
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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:
2:35 am EDT Aug 18, 2026
Forecast Valid:
4am EDT Aug 18, 2026-6pm EDT Aug 24, 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