Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

A Few Clouds

86°F

30°C

Humidity 75%
Wind Speed SW 14 mph
Barometer 29.87 in
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index97°F (36°C)
Last update 17 Jun 5:55 pm EDT
Extended Forecast for

9 Miles NE Isle of Palms SC

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 8pm.  Cloudy during the early evening, then gradual clearing, with a low around 79. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Increasing clouds, with a high near 84. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Low around 78. Southwest wind 14 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 83. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 77. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 79. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 84. Southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 78. Southwest wind 14 to 16 mph, with gusts as high as 30 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 likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 80.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Isle of Palms SC
 32.87°N 79.64°W (Elev. 0 ft)
3:30 pm EDT Jun 17, 2026
6pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database