I will never forget that heatwave. It was so wildly anomalous. That one beats any heatwave on record in a lot of places that are a lot hotter than here.
Looks like that N to S gradient is going to continue for a while judging by the graphic that was posted earlier. Pretty interesting feature the last few weeks.
I remember being in Flossmoor one day 17 years ago and there were a ton of them there. I bet they are out in full force there again.
I read a story about people in Chicago shoveling dead cicadas off the sidewalks back in 1990. It's crazy how dense the coverage can be.