Almost 800 rescued in St. John the Baptist Parish after Hurricane Ida
At least three people have died as a result of the storm.
Ida is barreling through Louisiana after making landfall in the state as a powerful Category 4 hurricane on Sunday afternoon.
It was one of the strongest hurricanes on record -- by both wind speed and pressure -- to roar ashore in Louisiana.
Ida, now a tropical storm, is hitting on the 16-year anniversary of Katrina, a Category 3 hurricane that ravaged the Gulf Coast. Hurricane Katrina unleashed a series of events, taking the lives of more than 1,800 people and leaving more than $100 billion worth of damage in its wake.
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Hospital patients evacuated
Ida significantly damaged Louisiana's Ochsner Health system, though neither patients nor employees have been injured, hospital officials said Monday.
About 65 patients at two of Ochsner Health's facilities have been evacuated, they said. Ochsner Health officials said they've also been asked to help evacuate about 100 patients from Terrebonne General Health System in Houma, Louisiana.
Terrebonne General Health System said it "suffered structural damages" and has no water from the parish. Terrebonne General said it's working to complete a "smooth transition of care" to other facilities."
-ABC News' Alexandra Faul
Coast Guard conducting search and rescue flights
The Coast Guard is conducting search and rescue flights across the devastated Gulf Coast.
The Coast Guard is also assessing damage and working to make sure ports can reopen.
President Joe Biden is set to hold a virtual meeting Monday afternoon with FEMA and leaders from areas impacted by Ida.
AT&T wireless at 60% in Louisiana
AT&T said its Louisiana wireless network is operating at 60%.
"We had key network facilities go offline overnight, and while some have already been restored, some facilities remain down and are inaccessible due to flooding and storm damage," AT&T said in a statement.
-ABC News' Alexandra Faul
New Orleans to evacuees: Do not return until further notice
New Orleans residents who evacuated their homes should not return until further notice, the New Orleans Office of Homeland Security and Emergency Preparedness said.
"There is widespread debris, power remains out, and emergency services are working to respond to those still in the city," city officials said. "We will let you know when it is safe to come home."