Illinois Weather Trivia for January 15th
- Intense Arctic high pressure areas occasionally move into the northern U.S. at this time of year. Peoria reported a barometric pressure of 30.98 inches of mercury on this date, setting a record for the month of January.
- A fast-moving storm system brought near-blizzard conditions to much of central Illinois. Although only 2-4 inches of snow fell, northwest winds gusting to 50 mph produced whiteout conditions in some areas. Portions of Interstates 55, 57, and 74 were closed for several hours, as were many local and county roads.
- Illinois was affected by the second winter storm in a week, producing heavy snow, sleet, and freezing rain. Eight to 10 inches of snow fell in parts of the Chicago metropolitan area. Champaign reported 5.3 inches of snow, Springfield reported 5.2 inches, and Peoria had 4.7 inches. Parts of southern Illinois had ice accumulations around 1/2 inch. Cold air pouring in behind the storm system dropped wind chills to as low as 40 below zero.
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