Waist-high water was reported in Charleston, South Carolina.
From mudslides in Utah to three hurricanes forming off the coast of Hawaii to heat waves across the Plains and Northeast, extreme weather is expected to strike much of the country this week.
Florida was preparing for remnants of the tropical storm that killed at least 20 people in the Caribbean and led to a state of emergency.
Two people were killed Saturday in northwestern Washington when a storm carrying heavy winds passed through the area, toppling trees and knocking out power for thousands.
Wind gusts to 60 mph batters Western Washington, downing trees and leaving thousands of Seattle residents without Power.
Deadly Tropical Storm Erika weakened as it drenched Haiti and the Dominican Republic Saturday, but Florida officials still want residents to prepare.
The prime minister of the tiny nation said the devastation from the storm is "monumental" and may have set back development 20 years.
Flooding has killed at least 12 people on the Caribbean island of Dominica, but the storm could be a become a tropical depression by Saturday.