October brings the increasing threat of frost and freeze conditions to central and southeast Illinois. The map above shows the average date of the first freeze (low temperatures of 32 degrees or colder). (click image to enlarge)
Tornado Climatology of Central and Southeast Illinois
2008 Weather Event Summaries: Jan 7-8 -- Severe weather and flooding in central Illinois Jan 29 -- Flash Freeze (temperature falls >50 °F) Jan 31-Feb. 1 -- Major Winter Storm 2007-08 Winter Ranks in Top 10 Wettest Mar 17-19 -- Heavy Rains and Flooding Apr 18 -- Earthquake May 11 -- High winds May 30 -- Waverly Tornado Jul 21 -- Two Rounds of Severe Weather Sep 3-4 -- Gustav's Heavy Rains Sep. 11-14 -- Heavy Rainfall and Flooding (including Ike)