Illinois Weather Trivia for February 4th
- A cold wave which began on January 29th peaked on this day in much of the region. Low temperatures across much of Illinois ranged from 15 to 25 below zero; in the northwest part of Illinois, a low of 35 below zero at Elizabeth tied the state's all-time record low (which has since been broken). In central Illinois, lows included 20 below zero at Lincoln, 19 below at Springfield and Peoria, 18 below at Decatur, and 17 below at Champaign.
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