(6:30AM – Friday, September 18th, 2026) Heat Wave Marches On Today🔥 Hot and humid conditions will once again continue today across all of Southern Illinois, with conditions kicking back southward just a bit across Central Illinois. For today, high temperatures will range from around 90° to the upper 90’s across…
(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…
(6:30AM – Wednesday, September 16th, 2026) Heat Wave Continues Today — South 🔥 Another hot and humid day is expected across portions of the state today, namely across Southern Illinois. For today, high temperatures will range from around 90° to near 100° across Southern Illinois. Elevated heat index values are…
(6:30AM – Tuesday, September 15th, 2026) Mid-September Heat Wave Begins Today 🔥 On the heels of the notable heat wave that kicked off September, another multi-day heat wave will begin today across portions of the state and continue into the weekend. For today, the hottest conditions will be found across…
(8:30AM – Monday, September 7th, 2026) Tranquil Labor Day Weather 🌤️ Exceptional weather is expected across Illinois for Labor Day, with high temperatures ranging from the mid 70s to mid 80s across the state. Dry conditions will prevail, along with a pleasant mix of sun and clouds. All in all,…
(6:30AM – Sunday, September 6th, 2026) Pleasant Labor Day Weekend Sunday 🌤️ A pleasant Labor Day Weekend Sunday is expected across the state today, with dry conditions statewide and a mix of sun and clouds. While the heat wave that gripped the state over the past week has now come…
(7:30AM – Saturday, September 5th, 2026) Labor Day Weekend Starts Hot, Humid & A Bit Stormy 🔥⛈️ The heat wave that has gripped the state this week will continue into the start of Labor Day weekend, with high temperatures today expected to reach well into the 90’s across Central and…
(6:30AM – Saturday, September 5th, 2026) Heat Wave Persists Today 🔥 High temperatures will once again peak in the low 90s to around 100° across Central and Southern Illinois today. The one exception will be across portions of Northern Illinois, where temperatures will top out in the 80’s in the…
(6:30AM – Friday, September 4th, 2026) Heat Wave Rolls On Today 🔥 Similar to the past several days, high temperatures will range from the low 90s to around 100° across much of the state today, with peak heat indices ranging from 97–108°. Conditions will be slightly improved across portions of…
(6:30AM – Thursday, September 3rd, 2026) Heat Wave Continues Today 🔥 The ongoing heat wave continues today across the state, with hot temperatures and elevated heat indices once again expected statewide. Similar to the past few days, high temperatures will range from the low 90s to around 100° across the…
