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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Moncks Corner Berkeley County (KMKS)

Lat: 33.19°NLon: 80.04°WElev: 72ft.

Overcast

75°F

24°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.90 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 8:55 am EDT
Extended Forecast for

Moncks Corner SC

  • Today

    Today: A chance of showers, with thunderstorms also possible after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 73. Southwest wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 71. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 89. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 73. Southwest wind around 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 71. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 89. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Partly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 40 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:
Moncks Corner SC
 33.2°N 80.01°W (Elev. 46 ft)
Last Update:
7:22 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 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