Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Moncks Corner Berkeley County (KMKS)

Lat: 33.19°NLon: 80.04°WElev: 72ft.

Fair

75°F

24°C

Humidity 89%
Wind Speed SW 9 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Jun 2:55 am EDT
Extended Forecast for

4 Miles SE Bonneau SC

  • Overnight

    Overnight: Clear, with a low around 73. Southwest wind around 6 mph.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: A chance of showers between 2pm and 3pm, then showers and thunderstorms likely after 3pm.  Increasing clouds, with a high near 95. Heat index values as high as 103. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm.  New precipitation amounts between three quarters and one inch possible.

    Low: 73 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm.  High near 88. Southwest wind 8 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. Southwest wind around 6 mph.
Thursday
A chance of showers between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Increasing clouds, with a high near 95. Heat index values as high as 103. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm. New precipitation amounts between three quarters and one inch possible.
Juneteenth
Showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm. High near 88. Southwest wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 96.
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.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Bonneau SC
 33.26°N 79.89°W (Elev. 30 ft)
2:40 am EDT Jun 18, 2026
3am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
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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