Thunderstorms moved into South Mississippi during the lunch hour Friday and are expected to stay in the area through the weekend.
The National Weather Service in New Orleans is forecasting a 30 to 60 percent chance of storms today.
The rain should ease off tonight, and mostly sunny skies and no rain will greet South Mississippi on Sunday, with highs in the mid-60s.
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The rain comes just as rivers in South Mississippi were starting to crest and fall. Rainfall from 1 to 3 inches could produce flash floods, and additional flooding of areas already saturated from earlier in the week.
The weather service said the most rain will likely be confined to south of the Interstate 20 corridor. Portions of the I-10 corridor received 1 to 2 inches of rain Friday, which hampered the recession of flooded rivers in the region.
Peaking at 18.5 feet Thursday, the water level of the Pascagoula River began its slow fall Friday, down to 18.4 feet near Graham Ferry. It's predicted to hang around 18.2 feet through the weekend, Jackson County Emergency Manager Earl Etheridge said.
In Hancock County, the Pearl River remained flooded at 17.5 feet as of Friday morning. It is expected to fall to about 17.1 feet late tonight and Sunday return to near 17.5 feet by Tuesday morning, according to the weather service.