(6:30AM – Thursday, September 17th, 2026)
Heat Wave Rolls On Today🔥
While hot and humid conditions will continue today across Southern Illinois, conditions will re-surge back northward a bit as well, into portions of Central Illinois.
For today, high temperatures will range from around 90° to the upper 90’s across all of Southern and portions of Central Illinois. Elevated heat index values are expected as well, with peak heat indices of 95-107° expected across a portion of Central and all of Southern Illinois.
#ilwx #heatwave
