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

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 21 Jun 2:55 am EDT
Extended Forecast for

2 Miles NNW Wadmalaw Island SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South wind 3 to 8 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Heat index values as high as 103. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southwest wind 8 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. South wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 90. Heat index values as high as 103. West wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 77. Southwest wind 8 to 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Wadmalaw Island SC
 32.7°N 80.18°W (Elev. 10 ft)
Last Update:
2:35 am EDT Jun 21, 2026
Forecast Valid:
3am 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