Tens of millions of people are at risk of dangerous flash floods in pockets of nearly every region of the contiguous United States Friday, as the nation’s summer of flooding continues.

“The biggest thing is making sure you have a plan ahead of time when it’s not raining,” he said. “I highly recommend weather.gov/safety/flood. That will walk you through flood preparedness tips and what to do before, during, and after an event.”

Early on Thursday morning the National Weather Service's Lake Charles office announced that it would be expanding the flash flood warning that previously went as far west as Vermillion Parish to include Calcasieu, Cameron, Allen, Jefferson Davis and Beauregard parishes. The watch is in effect from 7 a.m. on Thursday to 7 p.m. on Saturday.

CHARLESTON, W.Va. — The National Weather Service has extended a flood watch into early Saturday morning for nearly all of West Virginia.

EDT the National Weather Service issued a flash flood warning in effect until 9:15 p.m. EDT for Alpena County.

National Weather Service officials issued a warning for heavy rain and possibly "life-threatening" flash flooding in parts of Southern Utah, including Zion Nati

The National Weather Service in Tulsa has issued flash flood warnings in parts of Northwest Arkansas for the overnight hours of July 17 into the morning of

The National Weather Service issued a flash flood warning at 12:02 a.m. on Thursday in effect until 3 a.m. for Colbert and Lauderdale counties.

On Wednesday at 7:03 p.m. a flash flood warning was released by the National Weather Service in effect until 9 p.m. for Potter County.

A flood watch began at 3 p.m. and runs until 3 a.m. in the following 11 counties: Salem, Gloucester, Camden, northwestern Burlington, Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and Warren.

Showers and thunderstorms are forecast each day this weekend, starting July 18, as areas of thunderstorms and heavy rain move across the country. A heat wave is also expected. According to the National Weather Service in Wilmington, there is a heightened flooding threat for portions of the Ohio Valley.

A flash flood warning was issued by the National Weather Service on Wednesday at 7:38 p.m. in effect until 11:45 p.m. for Bucks County.