(11:00AM – Friday, April 3rd, 2026) Continued severe t’storm threat thru early Saturday… ⚠️Update…•With this update cycle, we have slightly expanded level 2 and significant severe t’storm probabilities across more of Central Illinois. Otherwise, no additional changes were needed to the going forecast elsewhere. ⏰📍Timing & Location…•Midday Today – Saturday…
(11:30PM – Thursday, April 2nd, 2026) Yet ANOTHER storm system will bring a final round of severe t’storm potential to the state from Friday into early Saturday… ⏰📍Timing & Location…•Friday Midday – Saturday Morning, April 3-4th: All of Illinois. ⚡️Hazards…•A level 1 to 2 severe t’storm threat is in place…
(10:30AM – Thursday, April 2nd, 2026) Severe t’storm threat continues through tonight… ⚠️Update…•With this update cycle, we have expanded level 2 and significant severe t’storm probabilities into more of Central/Southwestern Illinois. This changes was made due to consistency within weather guidance in comparison to real-time trends, with a favorable look…
(11:15PM – Wednesday, April 1st, 2026) Continued severe t’storm threat on Thursday… ⚠️Update…•With this update cycle, little in the way of changes were needed on Thursday’s forecast, as the going forecast is on track. ⏰📍Timing & Location…•Thursday Morning – Thursday Night, April 2nd: All of Illinois. ⚡️Hazards…•A level 1 to…
(10:30AM – Wednesday, April 1st, 2026) Severe t’storm threat continues for today and tomorrow… ⚠️Update…•With this update, we have slightly expanded severe t’storm probabilities on the forecast for today/tonight, based on the latest data and trends.•With this update, we have increased severe t’storm probabilities to a level 2 across portions…
(11:45PM – Tuesday, March 31st, 2026) As the severe t’storm threat comes to an end overnight with the current storm system, a new storm system will bring renewed severe t’storm chances to the state on Wednesday and Thursday… ⏰📍Timing & Location…•Wednesday Morning – Wednesday Night, April 1st: Southern Illinois.•Thursday Morning…
(10:00AM – Tuesday, March 31st, 2026) Severe t’storm threat continues through later tonight/early Wednesday morning… ⚠️Update…•With this updated, we have increased severe t’storm probabilities to a level 2 threat across portions of Northeastern and Central Illinois, to account for slightly higher severe t’storm coverage. ⏰📍Timing & Location…•This Morning – Early…
(9:00PM – Monday, March 30th, 2026) Continued severe t’storm threat thru Tuesday night… ⚠️Update…•With this update, we have slightly expanded the coverage of level 1 and 2 severe t’storm probabilities across Northern Illinois for tonight/early Tuesday morning.•With this updated, little in the way of changes were needed on the Tuesday…
(11:45AM – Monday, March 30th, 2026) Severe t’storm threat from this evening through Tuesday night… ⚠️Update…•With this update, we have increased severe t’storm probabilities across portions of Northern Illinois on the forecast for this evening through early Tuesday morning, as slightly higher coverage of potential may exist. Additionally, we have…
(11:45PM – Sunday, March 29th, 2026) Early week severe t’storm threat… ⏰📍Timing & Location…•Early Monday Night – Early Tuesday Morning, March 30-31st: Northern Illinois.•Tuesday afternoon – Tuesday Night, March 31st: Northern & Central Illinois. ⚡️Hazards…•A level 1 severe t’storm threat is in place across Northern Illinois from this early Monday…
