Moisture from Barry is expected to combine with a frontal system and deliver storms with heavy rain from the mid-South into the Northeast.

Barry made landfall as a hurricane but quickly weakened to a tropical storm.

Authorities made 40 water rescues in Panama City Beach, Florida, due to deadly rip currents off the Florida coast.

Although Barry downgraded from a potential hurricane upon landfall, many cities in Louisiana are still reeling from heavy rain and flooding.

Residents of Louisiana felt the full brunt of Tropical Storm Barry's rainfall overnight as they woke to find localized flooding and power outages.

Residents of Louisiana felt the full brunt of Tropical Storm Barry's rainfall overnight as they woke to find localized flooding and tens of thousands without power across the state.

The first Atlantic hurricane of the season brings heavy winds, storm surge, rain and severe flooding dangers.

Barry's slow-moving march over Louisiana continues on Sunday with wind and unrelenting rain.

Some areas of Louisiana are under mandatory evacuation orders.

Officials brace for the worst, as high winds and heavy rain hit most of the area and prompt flood warnings

Barry was at Category 1 hurricane strength when it made landfall near Intracoastal City before weakening to a tropical storm.

Some areas of Louisiana are under mandatory evacuation orders as Barry -- the first hurricane of the Atlantic hurricane season -- barrels down.

Pete Gaynor discussed the biggest concerns as Barry nears landfall; billions of dollars were spent strengthening and reinforcing the levees throughout Louisiana after Hurricane Katrina.

Power outages have already hit the city, which is surrounded by rivers and bayous, with strong gusts of wind and rain.

Residents got together and created sandbags as the city expects up to 2 feet of heavy rain and flooding all weekend.

ABC News' Meteorologist Rob Marciano tracks the storm as heavy rain and flooding hit Louisiana.