Illinois Storm Chasers

| September 20, 2026

Heat Wave – Sunday, September 20th Conditions

(6:30AM – Sunday, September 20th, 2026)Heat Wave Finale Today!🔥Today will be the final day of hot and humid conditions across Southern Illinois, marking an end to this heat wave stretch.For today, high temperatures will range from around 90° to the mid 90’s across a small portion of Central and all

Illinois Storm Chasers

| September 19, 2026

Heat Wave – Saturday, September 19th Conditions

(6:30AM – Saturday, September 19th, 2026)Heat Wave Continues To Begin The Weekend🔥New day, same story… Hot and humid conditions will kick off the weekend across roughly the southern half of the state.High temperatures today will range from around 90° to the upper 90’s across all of Southern and port

Illinois Storm Chasers

| September 18, 2026

Heat Wave – Friday, September 18th Conditions

(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

Illinois Storm Chasers

| September 17, 2026

Heat Wave – Thursday, September 17th Conditions

(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

Illinois Storm Chasers

| September 16, 2026

Heat Wave – Wednesday, September 16th Conditions

(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 val

Illinois Storm Chasers

| September 15, 2026

Heat Wave – Tuesday, September 15th Conditions

(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 acros

Illinois Storm Chasers

| September 7, 2026

Labor Day Weather Forecast

(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, it’ll be

Illinois Storm Chasers

| September 6, 2026

Labor Day Weekend – Sunday, September 6th Weather Forecast

(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 to an end, temperatur

Illinois Storm Chasers

| September 5, 2026

Labor Day Weekend – Saturday, September 5th Weather Forecast

(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 Southern Illinois,

Illinois Storm Chasers

| September 5, 2026

Heat Wave – Saturday, September 5th Conditions

(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 wake o

Illinois Storm Chasers

| September 4, 2026

Heat Wave – Friday, September 4th Conditions

(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 Northeas

Illinois Storm Chasers

| September 3, 2026

Heat Wave – Thursday, September 3rd Conditions

(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 t

Illinois Storm Chasers

| September 2, 2026

Heat Wave – Wednesday, September 2nd Conditions

(6:30AM – Wednesday, September 2nd, 2026)Peak of Heat Wave Continues Today 🔥The peak of the ongoing heat wave continues today, with hot temperatures and elevated heat indices expected statewide.High temperatures will range from the low 90s to around 100° across the state, while peak heat indices wil

Illinois Storm Chasers

| September 1, 2026

Heat Wave – Tuesday, September 1st Conditions

(6:30AM – Tuesday, September 1st, 2026)Heat Wave Expands & Intensifies Today 🔥Hot temperatures will once again further expand and intensify across more of the state today. High temperatures ranging from around 90° to near 100° will likely state-wide.Heat indices will once again increase a bit more a

Illinois Storm Chasers

| August 31, 2026

Heat Wave – Monday, August 31st Conditions

(6:30AM – Monday, August 31st, 2026)Heat Wave Expands Today 🔥Hot temperatures will expand across a bit more of the state today, with high temperatures ranging from around 90 to the mid 90’s likely across all of Central and Southern Illinois.Heat indices will increase a bit as well, with highest peak

Illinois Storm Chasers

| August 30, 2026

Heat Wave – Sunday, August 30th Conditions

(10:00AM – Sunday, August 30th, 2026)Extended Heat Wave Begins Today 🔥A heat wave will begin across portions of the state today, with high temperatures in the low to mid 90’s expected across portions of Central and all of Southern Illinois.While hot temperatures are expected, heat indices will stay

Illinois Storm Chasers

| August 26, 2026

Wednesday, August 26th – Severe Weather Threat – Update #2

(11:00AM – Wednesday, August 26th, 2026)Severe Weather Threat Today/Tonight⚡*Wednesday Morning Update*In the wake of some showers/t’storms that traversed portions of Northern and Southern Illinois earlier this morning, the focus now turns towards this afternoon into tonight.Widely scattered t’storms

Illinois Storm Chasers

| August 26, 2026

Wednesday, August 26th – Severe Weather Threat

(11:00PM – Tuesday, August 25th, 2026)Severe Weather Threat Wednesday/Wednesday Night⚡As a storm system moves through the region, a severe weather threat will return to the state on Wednesday.A few showers/t’storms will be possible across portions of Northern Illinois on Wednesday morning, along and

Illinois Storm Chasers

| August 21, 2026

Friday, August 21st – Severe Weather Threat – Update #2

(12:00PM – Friday, August 21st, 2026)Severe Weather Threat Today/Tonight⚡*Friday Midday Update*A few showers/t’storms have been traversing portions of Northern Illinois during the morning and midday hours thus far today. Some of this activity will continue to linger through this afternoon.Of more fo

Illinois Storm Chasers

| August 21, 2026

Friday, August 21st – Severe Weather Threat

(11:15PM – Thursday, August 20th, 2026)Severe Weather Threat Friday/Friday Night⚡As another storm system moves through the region, a severe weather threat will return to the state on Friday.Scattered t’storm activity will move southward out of Wisconsin and into portions of Northern Illinois mid-lat

Illinois Storm Chasers

| August 19, 2026

Wednesday, August 19th – Severe Weather Threat – Update #2

(12:00PM – Wednesday, August 19th, 2026)Severe Weather Threat Today/Tonight⚡*Wednesday Midday Update*In the wake of a complex of t’storms across Southern Illinois this morning, scattered t’storms are developing early this afternoon in the vicinity of a diffuse frontal boundary across portions of Cen

Illinois Storm Chasers

| August 19, 2026

Wednesday, August 19th – Severe Weather Threat

(11:45PM – Tuesday, August 18th, 2026)Severe Weather Threat Wednesday/Wednesday Night⚡A t’storm complex (MCS) will be ongoing across portions of Southern Illinois Wednesday morning. This activity will gradually exit and diminish through the morning hours, with an isolated severe weather threat possi

Illinois Storm Chasers

| August 18, 2026

Tuesday, August 18th – Severe Weather Threat

(3:00PM – Tuesday, August 18th, 2026)Severe Weather Threat Today/Tonight ⚡While a few showers/t’storms have occurred this morning/afternoon across far Northern Illinois, the main focus is for later this afternoon into tonight across the state.Scattered t’storms/severe t’storms are developing this af

Illinois Storm Chasers

| August 16, 2026

Sunday, August 16th – Severe Weather Threat – Update #2

(12:00PM – Sunday, August 16th, 2026)Severe Weather Threat Today/Tonight⚡*Sunday Midday Update*A few showers t’storms have been ongoing across portions of Central and Southern this morning, residual activity from overnight.More of note is a complex (MCS) of t’storms that has moved from Northern Miss