The National Weather Service says the rain came after another system Wednesday dropped 1.8 inches near the Jackson airport.
Meteorologist Latrice Maxey told The Clarion-Ledger the most of Thursday's rain had shifted east. In addition to downed utility lines, Maxey says wind gusts of up to 60 mph are likely responsible for downing several trees in Terry, Madison and Leflore counties. State officials also received reports of straight-line winds in Bolivar County that moved through the Delta, damaging some homes and a business.
Northeast Mississippi was also hit with heavy rains late in the afternoon.
The rain was expected to move from the area by early Friday, the start of hurricane season.
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