National Weather Service United States Department of Commerce

A line of showers and isolated thunderstorms will move southeastward through I-70 and areas southeast late this evening into early a.m. Memorial Day. Brief very isolated downpours and lightning possible.
A few light showers could affect areas from Lawrenceville to Robinson into the early evening. Otherwise, expect clearing skies and less humid conditions to prevail the remainder of the night. Low temperatures will drop into the middle to upper 50s.
After a mostly sunny start to Memorial Day, clouds will increase during the afternoon with isolated showers and thunderstorms possible. Highs will range from the mid 70s near Galesburg to the lower 80s toward Lawrenceville.