The Gulf Coast from Corpus Christi, Texas to Fort Myers, Florida will be affected.
A flash flood emergency has been issued in Jackson, Mississippi, as it continues to rain more south.
Louisiana, Mississippi and Alabama are expected to receive 3 to 5 inches of rain over the next 48 hours, causing flash floods and flooding the river.
The rain will continue to spread, reaching the bay by the weekend. over the next five days, from Corpus Christi, Texas to the Gulf Coast, to fort myersflorida, will probably get 3 to 5 inches as well.
Louisiana and Mississippi were already hit by rain this week, with several locations in Mississippi breaking daily rainfall records on Monday. Over the past 48 hours, rain totals climbed above 7 inches in Louisiana and reached 6 inches in Mississippi.
Meanwhile, areas along the California/Arizona/Nevada border, including Las Vegas, are expected to receive torrential rain and possible flash floods on Wednesday.
Meanwhile, Utah Gov. Spencer Cox declared a state of emergency in the wake of devastating floods in Moab and other southern cities. The flood took the life of a woman who was Hiking in Zion National Park,
“We also urge everyone to take the flood warnings very seriously. We mourn the passing of Jetal Agnihotri of Tucson and pray for his loved ones,” the governor said in a statement.
“I am shocked by the size and extent of the floods in Moab, which have caused damage to homes, businesses and local infrastructure,” said Lieutenant Governor Deidre Henderson. Fortunately, I am hopeful of a full recovery.
ABC News’ Kenton Gaveke and Melissa Griffin contributed to this report.