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A Frost Advisory has been issued for several counties for overnight.

The advisory runs from midnight to 8 a.m. Wednesday and includes DeKalb, La Salle, Lee, Ogle and Winnebago.

Full forecast details and more at the WGN Weather Center blog

Protect outdoor plants with coverings or bring them inside.

Wednesday’s high should eventually reach 60 degrees with a 30% chance for showers.