As parts of the Midwest continued to experience catastrophic flooding overnight and into Monday, dangerous heat and humidity are expected to set in this week. Overnight, a flash flood emergency was declared in central Illinois for catastrophic flooding as rain fell at rates of 2 to 3 inches per hour. The area in and surrounding Brownstown, Illinois, seems to have taken the brunt of the rapid rainfall that made streets impassable. That flash-flood emergency has since expired, and light rain continued to fall across central Illinois early Monday morning. The St. Louis, Missouri, metro area was also under a flash flood warning overnight, with rainfall rates of 2 to 3 inches per hour. The rainfall total as of 5 a.m. was around 1.25 inches, but additional heavy rain is possible on Monday. A sle
As Midwest flooding eases, dangerous temperatures set in

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