Illinois Weather Trivia for January 29th
- A sharp cold front moved across the state during the day, producing a drastic temperature drop. Temperatures fell 20 to 40 degrees in just a couple hours, with areas from Springfield to St. Louis seeing temperatures fall as much as 50 degrees between noon and 6 pm. Temperatures in the mid 60s in central Illinois at midday on the 29th had fallen to near zero by the next morning.
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