Temperatures in the Chicago area on Tuesday hit 90 degrees, the warmest day so far this year but not enough to break a record.
The record for May 14 is 92 degrees, set in 1982.
It was a welcome change after a frost advisory was issued Sunday night for much of the metro area and temperatures dropped into the mid-30s.
The summer-like weather continues through Tuesday evening then dips slightly before maintaining in the mid-70s to mid-80s for most of the week, but keep your umbrella handy.
Wednesday is expected to be partly to mostly sunny with highs in the low- to mid-80s with much cooler temperatures predicted along the lakefront by the afternoon.
The forceast shows a slight chance for an isolated thunderstorm in far southern counties for Wednesday afternoon and evening, and a few showers and isolated storms remain possible in far southern counties Thursday. Otherwise the sunny, mild trend with highs in the mid-70s will continue.