A new multiday severe weather threat will spread from the Plains to the Midwest and East Coast over the next few days, packing damaging winds, large hail and isolated tornadoes. Heavy rain could also raise the threat more flooding in the water-logged Appalachians.

At 12:11 a.m. on Sunday, the National Weather Service issued an updated flash flood warning for Allegheny and Washington counties.

Flash flood warnings are in effect for portions of the D.C. metro on Sunday night until 10:15 p.m. Radar estimates that 1 to 3 inches of rain fell.

Oklahoma is under a flood watch and flash flood warning due to heavy rains, affecting Oklahoma City and surrounding areas.

Prayers are pouring in for eight U.S. states amid "dangerous" flood warnings on Monday. The National Weather Service announced on Monday morning, June 16, that eight U.S. states could get hit hard by flash flooding.

Storms brought very heavy rain to portions of Western Pennsylvania and Northern West Virginia on Saturday. Isolated 1-3"+ swaths of rain occurred along our I-80 counties and in portions of Washington and Monongalia counties, which prompted flash flood warnings.