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

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

81°F

27°C

Humidity	89%
Wind Speed	Vrbl 7 G 14 mph
Barometer	29.88 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	17 Jun 7:15 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles S Summerville SC

Tonight
Low: 74 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 94 °F
Mostly Sunny
then T-storms
Likely
Thursday Night
Low: 73 °F
Showers
Juneteenth
High: 88 °F
Showers
Likely
Friday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 92 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 93 °F
Mostly Sunny
Sunday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind 8 to 10 mph.

Thursday

Showers and thunderstorms likely, mainly between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 94. Heat index values as high as 106. Southwest wind 9 to 13 mph, with gusts as high as 23 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

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 73. Southwest wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Juneteenth

A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 88. West wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Partly cloudy, with a low around 74.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.