Lee County, which encompasses Fort Myers, accounts for most of the fatalities.
The remnants of Ian are charging up the East Coast on Saturday after making landfall as a Category 1 hurricane in South Carolina on Friday afternoon.
The monster storm made its first U.S. landfall on Wednesday on Florida's west coast as a powerful Category 4 hurricane, shredding homes with ferocious winds topping 150 mph. Florida's death toll has climbed to at least 81, according to information from local officials.
The National Weather Service has issued a flash flood warning for the Charleston metro area until noon on Friday.
The NWS says that heavy rain and tide will continue to increase and cause life-threatening conditions and flash flooding.
-ABC News' Max Golembo
Florida Governor Ron DeSantis will hold his next press conference at 8:45 a.m. ET, according to a media advisory provided by his office.
DeSantis will be joined by FEMA administrator Deanne Criswell.
-ABC News' Ahmad Hemingway
President Joe Biden has declared a state of emergency in South Carolina, the White House announced late Thursday night, as Hurricane Ian takes aim at the state.
-ABC News' Lauren Minore
Hurricane Ian has strengthened, with winds now at 85 mph, as it continues to move northward off the east coast of Florida.
The forecast track has shifted a little farther north with the latest advisory at 11 p.m. ET, putting cities like Myrtle Beach, S.C., in the storm's path for worse impacts, while less impact could be seen in Charleston.
Wind Gusts up to 90 mph are possible in Myrtle Beach on Friday afternoon, as Ian is expected to make landfall toward the south. Much of Georgia to the Carolinas will experience wind gusts over 50 mph.
-ABC News' Riley Winch
