(8:30PM Wed, July 26th 2023) Wednesday update on a ridge that has built into the region, bringing a push of hot and humid conditions across the state. These conditions are expected to continue for a multi-day period, through this weekend. Daily chances for rain/t’storms across portions of the state may temper conditions at times for some areas.

Update…
•With this update we have made some slight adjustments to expected high temperatures and peak heat indices expected for affected areas over the next few days.

Timing & Location…
•Thur, July 27th: Much of Illinois.
•Fri, July 28th: Much of Illinois.
•Sat, July 29th: Central & Southern Illinois.

Impacts…
•Thur, July 27th: High temperatures of 90-102 across much of Illinois, with peak heat indices of 95-115.
•Fri, July 28th: High temperatures of 90-102 across much of Illinois, with peak heat indices of 95-115.
•Sat, July 29th: High temperatures of 88-98 across Central and Southern Illinois, with peak heat indices of 93-110.