Total ice accumulations of a light glaze up to a tenth of 1 inch are expected, meaning slippery conditions on sidewalks, roads and bridges.
DuPage County Stormwater Management began operating its major flood control facilities in Elmhurst, Naperville, Bloomingdale and Carol Stream early Tuesday, the agency said in a statement. The National Weather Service posted Wednesday afternoon a winter weather advisory for swath of central and north-central OH including, along its northern edge, Hancock, Seneca, and Huron counties.
At 13.8 feet, according to the NWS, floodwaters will spill into the lower levels of some homes in the Town of Wheatland and Village of Salem Lakes areas along Riverside and Shorewood drives. Temperatures may be even warmer on Wednesday, with many East Coast highs nearing 70 as far north as Boston. It will be mild with highs in the upper 50s. Rain was rather limited but that will change Monday night and Tuesday.
Two to three inches of rain already have fallen in the area, and more storms producing heavy rain are moving across the area.
As much as 4 inches of rain fell overnightMonday into Tuesday in the Chicago area with forecasters expecting another 1 to 3 inches by Tuesday evening.
Flooding is now a concern across the area this midday.
A 4WARN Weather Alert has been issued through late Saturday night due to heavy rains carrying potential flood risks, especially in northwestern Middle Tennessee.
"Flooding is now occurring along area watercourses and the forecast is calling for an additional 20 millimetres over the next few days", said Paul Gagnon, the authority's lands and waters supervisor. Most flood-related deaths occur in vehicles.
A hazardous weather outlook was issued for central IN a little after 4 a.m. Monday, warning of this rainy weather that could extend through Sunday.
While there has been some precipitation this winter, most of the rain has been so light that it has not brought much relief.