Illinois Weather Trivia for December 20th
- A three-day winter storm across central Illinois produced freezing rain on this date, followed by very heavy snow on the 22nd. Snow totals were in excess of 8 inches in an area extending from Lincoln southwest to Jacksonville. 5 to 6 inches of snow were reported as far east as Champaign. The snow tapered off sharply to the south and north, with 1 inch or less north of Peoria and south of I-70.
- Areas along and west of I-55 saw widespread blizzard conditions with the passage of an intense area of low pressure. The highest snow amounts of 3 to 5 inches occurred west of the Illinois River, and many areas saw wind gusts of 50 to 60 mph.
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