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

Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 21 Jun 12:35 am EDT
Extended Forecast for

Cottageville SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 101. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southwest wind around 6 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

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

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 101. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southwest wind around 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
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:
Cottageville SC
 32.93°N 80.48°W (Elev. 30 ft)
Last Update:
8:30 pm EDT Jun 20, 2026
Forecast Valid:
12am EDT Jun 21, 2026-6pm EDT Jun 27, 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