Historical Weather in Illinois

Look up weather history for any date across Illinois. See temperatures, precipitation, and trends going back 20+ years.

Major Cities in Illinois

Popular Dates in Illinois

New Year's Day1/1 Valentine's Day2/14 St. Patrick's Day3/17 Easter Sunday4/20 Mother's Day5/12 Memorial Day5/27 Father's Day6/15 Independence Day (July 4th)7/4 Labor Day9/1

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