Illinois Weather Trivia for October 26th
- An historic fall storm system affected the central U.S. on the 25th and 26th. Record low barometric pressures for October were set at Peoria (28.98 inches) and Springfield (29.03 inches). The parent low's central pressure of 28.21 inches over Minnesota was one of the deepest low pressure systems observed in the contiguous United States, outside of a hurricane.
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