Illinois Weather Trivia for July 24th
- Excessive heat and humidity occurred across the region during the second part of July. Daytime temperatures ranged from the mid 90s to around 105 degrees, with heat index values of 105 to 115. On this date, Peoria reported its first 100 degree day in 10 years with a high of 104 degrees, which was its warmest reading since a 105 degree temperature in July 1988. The dry conditions across the region helped to temper the stifling humidity that normally occurs across this area during the summer.
- Excessive heat and humidity plagued central Illinois during the month. The worst conditions were from the 17th through the 24th, when an Excessive Heat Warning was in effect. Heat index values during the period reached as high as 115 degrees. Urbana reported its first 100-degree day since 1955, and Springfield's 14 straight days of 90+ degree highs was its first such occurrence since 1955.
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