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Fox News Weather Center

Late-week rain could aggravate flooding from Texas to Mississippi

An area of rain will develop and expand along the Gulf coast of the United States and could prolong flooding in some locations and lead to new flooding in others.

How quickly a storm develops along a stalled front will determine the northern extent and intensity of the rain across portions of Texas to Louisiana, Mississippi and Alabama and Florida.

The rain will develop in part of the region Thursday and Thursday night and continue into Friday night.

The heaviest rain is likely to be confined to south of the Interstate-20 corridor.

Portions of the South Central states, from the Gulf coast to near and north of I-20, received 1-2 feet of rain last week. A few locations in northern Louisiana received more than 2 feet of rain.

The rainfall sent small streams quickly out of their banks. Portions of the Sabine, Little and Bogue Chitto rivers and others reached record flood stage this past weekend.

Flood waters continue to rise in Deweyville

The slow-moving nature of the flooding over the flat, swampy terrain continues to cause moderate to record flooding in many rivers in the region.

To date, the flooding has taken the lives of six people, damaged nearly 5,000 homes in Louisiana and 800 homes in Mississippi, according to the Associated Press. The National Guard has rescued nearly 3,300 people.

Stretches of the Sabine, Red, Little, Leaf, Big Sunflower, Bogue Chitto and Pearle rivers will remain at or above moderate flood stage through next week due to rain that has already fallen, even if no additional rain were to fall through next week.

Portions of the lower Red and Quachita rivers will continue to rise in the absence of additional rain.

Due to the saturated state of the ground, even an inch or two of rain will can cause renewed incidents of flash and urban flooding late this week.

Some small streams may quickly spill out of their banks once again.

The recession of water levels along the rivers could stall.

Another potential storm with heavy rain could affect the region on or shortly after the Easter weekend.

Thus far, rainfall has had minimal effect on the lower Mississippi River.

Most of the rain has fallen on the Mississippi Delta, where a significant amount of water flows away from the main stem of the river, before reaching the Gulf of Mexico.

The forecast rain in the Deep South is from of the same storm that could bring snow to part of the mid-Atlantic and New England coasts later this weekend and into Monday.