National Weather Service United States Department of Commerce

Frigid Temperatures with Dangerous Wind Chills; Heavy Rain and Flooding

An arctic cold front will continue to plunge southward through the Plains, Mississippi Valley and the Northwest quadrant of the U.S. on Sunday. As a result, widespread frigid and well below normal temperatures are expected along with dangerous wind chills. Meanwhile, heavy rain and flooding are possible for the Gulf Coast states and much of Hawaii. Read More >

Light freezing rain will affect areas west of I-55 overnight. Temperatures will remain below freezing while the showers develop and track northeast. Watch for slick roads and sidewalks!
Rain is expected across much of central Illinois this evening and overnight. Rain will transition to freezing rain or freezing drizzle overnight from the Illinois River Valley through the I-55 corridor where a glaze of ice is possible by Sunday morning. Temperatures will hold steady or fall through the day Sunday with highs in the lower 20s near Galesburg and mid 40s near Lawrenceville.
Icy conditions are possible overnight into Sunday morning across portions of the Illinois River Valley through roughly the I-55 corridor due to freezing rain and freezing drizzle. Use caution if traveling Sunday morning.