Illinois – A mild, quiet start is quickly turning into a high-energy spring setup, with warm air building now and strong storms poised to impact central Illinois by Thursday night.
According to the National Weather Service in Lincoln, dry conditions hold through today with highs near 73°F and gusty south winds up to 23 mph. A few showers may develop late, but the more significant change arrives Thursday afternoon and intensifies into the evening.
Champaign and surrounding areas will surge to near 86°F Thursday, creating unstable air ahead of an approaching cold front. Thunderstorms are expected to develop after 1 p.m., becoming more widespread and intense into the evening. Rain chances peak near 90% Thursday night, with heavy downpours, lightning, and gusty winds likely.
Drivers should prepare for deteriorating conditions. Roads like I-57, I-72, and local routes through Urbana and Savoy could become slick quickly. Visibility may drop during heavier rain, especially during the evening commute. Plan extra travel time and avoid flooded low spots.
Conditions shift sharply after the storms. Temperatures fall into the mid-30s by early Friday, with gusty winds making it feel even colder. While widespread icing is not expected, bridges and overpasses could become slick if moisture lingers—stay alert for brief flash-freeze spots.
Cool, calmer weather follows Friday with highs near 47°F. Sunshine returns Saturday, and a gradual warm-up builds into Sunday with highs near 61°F, signaling a return to steadier spring conditions.
Five Day Forecast for Champaign, Illinois
Thursday: Thunderstorms likely, high 86°F
Friday: Clearing, cooler, high 47°F
Saturday: Sunny, high 54°F
Sunday: Partly sunny, high 61°F
Monday: Mostly sunny, high 76°F
