NASHVILLE, Tenn. (AP) – Officials have declared a state of emergency in Tennessee after heavy rains caused flooding in several areas overnight and more rain is forecast.

Tennessee Emergency Management Agency spokesman Dean Flener said on Thursday that crews were performing swift-water rescues in Stewart County. He said several other counties have reported high water over roads and trees down from storms.

RELATED CONTENT Clarksville Police and Fire conduct flood water rescues

Meanwhile, the National Weather Service has issued a flood warning for areas of Middle Tennessee through Thursday afternoon. The weather service said as much as 6 inches of rain fell overnight, which led to widespread flooding in Nashville and surrounding areas.’

A Flash Flood Watch is in effect for Middle TN, including Montgomery County, through 10 p.m. Thursday.

Flener said travel could be precarious and warned that motorists should not try to cross water over roadways.

Copyright 2016 The Associated Press.