At least two people are dead after flooding hit southeastern Louisiana and southern Mississippi.
The National Weather Service issued a flash flood alert for parts of southern MS and southeastern Louisiana, warning that heavy rainfall was likely to continue throughout the weekend.
Edwards returned home to a flooded basement at the Louisiana Governor's Mansion in Baton Rouge.
The rain that started late Thursday caused unsafe flooding that killed at least three people. "Because these are record floods, we don't know how wide the water is going to get in these areas".
Heavy rain and street flooding prompted five school districts in southeast Louisiana to cancel classes, authorities said Friday. This could put many homes in the Baton Rouge area at risk of flooding.
"We woke up and the water kept on coming", Mr Hansford said.
"We were walking out and he slipped and fell". "He went under the water". "We tried to wait it out, but we had to get out".
Louisiana is under a state of emergency because of a storm system that is expected to exacerbate existing flood conditions.
He said people living in areas where they've been asked to evacuate should heed warnings and people should stay off the road.
The Tangipahoa, Biloxi and Pearl rivers all were flooding, he said. The son was found, but his father remains missing.
"You just hope for the best", Martin said. More than 1,000 residents had been evacuated in Louisiana, the authorities said.
"This is the worst that I've seen it - that I can remember", Martin told CNN.
Resident Lance Martin was filling up his truck at a gas station when he got a call that this home was under water.
James Waskom, director of the governor's office of homeland security and emergency preparedness also briefed reporters on Saturday.
Numerous rivers in southeast Louisiana and southern MS overflowed Friday, and the extra rain Saturday could make their crests surge even higher.
According to the National Weather Service, the Tickfaw and Tangipahoa each continued to rise to record levels - more than 20 inches.
The Comite River near Baton Rouge and Amite River near Denham Springs in Louisiana are predicted to set record crests over the weekend.
The ground is extremely saturated, he said, and any additional rainfall is going to cause more flooding.
"It's going to be a hard next couple of days", she said.
Emergency services were transporting residents by high-water vehicles, boats and aircraft, he said.
She says one woman was rescued from a auto, while three people were rescued from a house surrounded by water.
The second fatality was reported at St. Helena Parish, some 40 miles away from Baton Rouge.
"A flash flood watch remains in effect for southeastern Louisiana and southern MS until Saturday morning".
Many counties have been cut off as major roads have been shut down due to flooding.
More rain is expected on Saturday.
A large portion of the region is under a flood watch warning through Sunday.
Heavy rains have caused rivers to crest in Louisiana and neighboring MS, closing schools and roads and stranding residents.