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

Hazardous Weather Conditions

Current conditions at

Moncks Corner Berkeley County (KMKS)

Lat: 33.19°NLon: 80.04°WElev: 72ft.

Fog/Mist

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 3:55 am EDT
Extended Forecast for

7 Miles ESE Saint Stephen SC

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

  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 109. Calm wind.

    High: 98 °F

    Sunny

  • Tonight

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

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97. Heat index values as high as 109. Light west wind.

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Calm wind.

    High: 96 °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 97.

    High: 97 °F

    Sunny

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 109. Calm wind.
Tonight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Mostly sunny, with a high near 97. Heat index values as high as 109. Light west wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. 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 96. Calm wind.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 97.
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 96.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. 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 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Saint Stephen SC
 33.35°N 79.82°W (Elev. 36 ft)
Last Update:
2:35 am EDT Aug 17, 2026
Forecast Valid:
4am 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