A flash flood watch has been issued for Naperville, with some roads already having flooding problems town as of Tuesday afternoon, according to city officials.
Motorists were advised not drive through flood waters, and to consult the live Waze map at www.waze.com/livemap for the latest info on road closures.
With the National Weather Service calling for rain all day Wednesday into Thursday, the Naperville Park District urged people to stay away from the DuPage River, which is very high and has dangerous currents.
The sidewalks along much of the Naperville Riverwalk are under water.