(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…
(11:15AM – Thursday, March 26th, 2026) Severe t’storm threat today/tonight… ⚠️Update…•With this update, we have slightly expanded level 2 and 3 severe t’storm probabilities across the state, based on the latest data and trends. ⏰Timing…•This Afternoon – Early Friday Morning, March 26-27th. 📍Location…•Much of Illinois. ⚡️Hazards…•A level 1 to 3…
(11:15PM – Wednesday, March 25th, 2026) Severe t’storm continues to be likely for Thursday… #ILWx ⚠️Update…•With this update, we have slightly adjusted the placement of severe t’storm probabilities based on the latest data and trends. Otherwise, no significant changes were needed with this forecast cycle. ⏰Timing…•Thursday Afternoon – Early Friday…
(11:45AM – Wednesday, March 25th, 2026) Severe t’storm threat expected on Thursday… ⚠️Update…•With this update, we have expanded severe t’storm probabilities across the state. Additionally, we have upgraded portions of Eastern Illinois to a level 3 severe t’storm threat, as severe t’storm coverage will likely be greatest in and near…
(11:45PM – Tuesday, March 24th, 2026) Severe t’storm threat Thursday/Thursday night… #ILWx ⏰Timing…•Thursday Afternoon – Thursday Night, March 26th. 📍Location…•Much of Illinois. ⚡️Hazards…•A level 1 to 2 severe t’storm threat is in place across much of the state from Thursday afternoon through Thursday night, for the threat of isolated to…
