EVANSVILLE, Indiana — A serious flooding situation is developing across southern Indiana and Illinois after a corridor of 3 to 5 inches or more of rain fell across the region over the past 24 hours — and the rain is not finished. Additional locally heavy rainfall is expected across southern Indiana from late Tuesday evening through Wednesday morning, piling onto already saturated ground and pushing flood risk to a level that demands immediate attention from residents along and south of the Interstate 70 corridor.
What Already Fell — The 24-Hour Observed Totals
The 24-hour rain forecast valid April 27 at 5 AM through April 28 at 5 AM EDT shows the observed rainfall footprint across the region. The core of the heaviest rainfall — shown in purple shading — cut a concentrated corridor from Alton and St. Louis eastward through Carbondale, Evansville and into Bloomington and Louisville, with totals in the 3 to 5 inch range across the entire width of…..