Torrential rain Saturday afternoon flooded streets in Summerville and slowed traffic to a crawl on Interstate 26 near Jedburg.

The National Weather Service issued a flash-flood warning for Charleston, Dorchester and Berkeley counties about 3:30 p.m.

Trolley Road near Summerville was closed because of flooding that stranded some vehicles. About 3 feet of water was reported in front of Shooters.

The weather service measured almost 3 inches of rain near Summerville falling between about 2 p.m. and 4:30 p.m., including an inch that fell in 22 minutes, according to meteorologist Emily Timte.

A car was also stranded in the water of a parking lot east of Ladson, she said.

Reach Dave Munday at 937-5553.