Illinois Weather Trivia for June 20th
- An afternoon violent tornado moved across Lee and De Kalb Counties of north central Illinois. The tornado touched down 5 miles west southwest of Amboy and tracked for 25 miles, before dissipating in De Kalb County. South of Paw Paw, a teacher and 6 students were killed when a school was lifted and blown apart. Six other people were killed along the tornado's path, with 60 people injured.
- Severe thunderstorms with winds of 70 to 95 mph moved across the northern half of Illinois, injuring 36 people. At the DuPage County Airport west of Chicago, 20 airplanes were destroyed. A wind gust of 63 mph at the Peoria airport blew over two airplanes. The storms also spawned a few tornadoes, causing minor damage.
- An outbreak of severe thunderstorms began in central Illinois during the evening of the 19th, and continued into the morning of the 20th. A tornado touched down southeast of Champaign in Pesotum, moving to Villa Grove; $1 million damage was inflicted on a grain elevator near Royal. A tornado was also reported just west of Springfield, causing some tree damage. Winds gusted over 70 mph in parts of Mason, Menard, Sangamon, and Macon Counties. The storms also produced widespread flash flooding across the region.
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