The National Weather Service said Tuesday, additional heavy rainfall amounts of one to three inches with locally higher amounts up to four inches are likely through the afternoon across central and southern Mississippi.
"More heavy rain is expected to fall on saturated soils today as a stall frontal boundary remains over the area," the NWS said.
Flood watches are in effect until at least 6 p.m. Tuesday including Adams, Attala, Carroll, Choctaw, Claiborne, Clarke, Clay, Copiah, Covington, Forrest, Franklin, George, Greene, Grenada, Hinds, Holmes, Humphreys, Issaquena, Jasper, Jefferson, Jefferson Davis, Jones, Kemper, Lamar, Lauderdale, Lawrence, Leake, Leflore, Lincoln, Lowndes, Madison, Marion, Montgomery, Neshoba, Newton, Noxubee, Oktibbeha, Perry, Rankin, Scott, Sharkey, Simpson, Smith, Stone, Warren, Wayne, Webster, Winston, Amite, Hancock, Harrison, Jackson, Pearl River, Pike, Walthall, Wilkinson and Yazoo.
Widespread heavy rainfall amounts in excess of two to five inches has already fallen across much of central and southern Mississippi since Sunday.
The capital city of Jackson has received 3.19 inches of rainfall, while Hattiesburg, which was hit by a powerful EF-4 tornado, has received 4.66 inches of rainfall.
Many rivers are already near or above flood stage across southern Mississippi and with any additional rainfall, will make for worsen conditions.
Multiple flash flood and flood warnings have already been issued across portions of central and southern Mississippi.
Everyone should stay updated on the latest weather information as it becomes available and to be prepared to move to higher ground in case your area is threatened.