There will be quite the temperature difference over Northern Illinois Wednesday afternoon as a cold front settles southward between I-88 and I-88. This means brisk northeast winds over Northern Illinois will keep temperatures in the 40's, 30's further north in Wisconsin, and 50's and 60's south of the front.
Wednesday will look and feel a lot different from the 60 degree weather we felt Tuesday afternoon. Clouds, drizzle and even fog will occur north of the front while a little more sun will be likely south of the front. This will also be the favored area for a few thunderstorms during the day.
Cooler air comes in Thursday with highs likely settling into the 30's.