The National Weather Service has issued a flood watch for Cook, DuPage and Kane counties, effective until 4 a.m. Wednesday, Jan. 30.
Showers and thunderstorms will continue through the night, with possible rainfalls of up to two inches.
The storm could also produce winds of up to 6 mph and isolated tornadoes, according to NWS.
The chance for rain before 2 p.m. Wednesday is 80 percent, with a chance for less than an inch of snow later in the day as the temperature drops. Temperatures will fall to about 27 degrees by 5 p.m.
DuPage County Stormwater Management is anticipating activation of the County’s flood control facilities early Wednesday morning based on forecasted precipitation, according to a DuPage County press release.
DuPage County Stormwater Management operates 15 flood control facilities throughout the County with a total floodwater storage capacity of nearly 4 billion gallons. Areas protected by the facilities should not expect flooding. Elsewhere, based on current forecasts, the County expects overbank flooding to be minor and contained to low-lying areas.
Residents can monitor real-time stream and rain gage information here.