National Weather Service United States Department of Commerce

Temps will top out around 50 degrees today as clouds increase through the day. A strong clipper will bring gusty winds to central Illinois tonight into Friday along with a 30% chance of rain along the I-74 corridor. More widespread rain is expected late in this weekend.
A deep low will dig from the Upper Midwest this evening across the Great Lakes Friday. In response, strong south winds will develop across central IL tonight veering to northwest Friday evening. Winds will gust to around 35-50 mph at times. A Wind Advisory is in effect.