FORT LAUDERDALE, Fla. — Florida Gov. Ron DeSantis declared a state of emergency in Broward County on Thursday after about 2 feet of rain, causing widespread flooding, closing the Fort Lauderdale airport and turning thoroughfares into rivers.

South Florida was keeping a wary eye on a forecast that called for more rain.

Fort Lauderdale issued a state of emergency as flooding persisted in parts of the city. Crews had worked through the night to attend rescue calls, but there were no immediate reports of injuries or deaths.

Stranded cars littered streets around eastern Broward County, where rains started Monday, with the heaviest downpours coming Wednesday afternoon and evening. Crews worked to clear drains and fire up pumps to clear standing water. People were told to stay off roads until it drained.

The Red Cross arrived at 5 a.m. Thursday and set up a staging area to help residents whose homes were flooded, providing them with blankets and coffee, officials said. The staging area also acted as a reunification point for families.

Fort Lauderdale City Hall remained closed Thursday with ground-floor flooding and no power. A tunnel carrying U.S. Route 1 under a river and a major street in downtown Fort Lauderdale was also closed, along with some ramps to Interstate 95.

Fort Lauderdale Hollywood International Airport remained closed, with many flights canceled and some passengers stranded. Roads around the airport flooded and became congested with stalled traffic.

The airport is expected to remain closed until at least 5 a.m. Friday, authorities said.

By early Thursday, enough water had drained to allow people to drive on the upper level — or departures — road at the airport to pick up waiting passengers. But the entrance to the lower-level, or arrivals, road remained closed, officials tweeted.

Video taken by witnesses showed water coming in the door at an airport terminal and a virtual river rushing down the tarmac between planes.

In downtown Fort Lauderdale, video showed a man swimming to the curb along Broward Boulevard on Wednesday afternoon as cars rolled by. Drivers also recorded themselves rolling through streets where brown, swirling water rose nearly to car hoods.

Hollywood Mayor Josh Levy told CNN it was the worst flooding he'd experienced.

“The ground was already saturated, so there is extensive flooding all over our city and throughout South Florida. Many roadways are impassable. Lots of vehicles got stuck and left abandoned in the middle of our roadways,” Levy said. “I’ve lived here my whole life. This is the most severe flooding that I’ve ever seen.”

More showers, thunderstorms and local flooding were in the forecast from the National Weather Service on Thursday morning. An additional 2 to 4 inches of rain was possible on top of the 14 inches that fell in recent days.

Broward County schools canceled classes Thursday, including after-school and extracurricular activities.

“We had schools experiencing severe flooding,” Toni Barnes, Broward Schools director of emergency management, told WPLG-TV. “The water made its way into the hallways, into the classrooms. ... The schools became inaccessible to parents, parents attempting to pick up their students. Staff members attempting to leave campuses — they were unable — they were trapped in their cars. We had to call fire rescue to assist our parents out of their cars to get them into the school because they were trapped.”

The heavy rains also shut down South Florida’s high-speed commuter rail service, called Brightline. It tweeted Wednesday evening that train service between Miami and Fort Lauderdale was suspended.