(11:00AM – Monday, April 27th, 2026) Severe weather threat continues through later tonight/very early Tuesday morning… ⚠️Update…•With this update cycle, on the forecast for today/tonight, we have slightly adjusted severe t’storm probabilities along the gradient across portions of Central Illinois, based on real-time observations and the latest trends. Additionally, we…
(11:45PM – Sunday, April 26th, 2026) Severe weather threat returns for Monday/Monday night… ⚠️Update…•With this update cycle, on the forecast for Monday/Monday night, we have slightly adjusted severe t’storm probabilities along the gradient across portions of Central Illinois. This changes was made based on the latest trends within weather guidance….
(11:45AM – Sunday, April 26th, 2026) A severe t’storm threat will return to the state early this week… ⏰📍Timing & Location…•Monday Morning – Early Tuesday Morning, April 27-28th: All of Illinois. ⚡️Hazards…•A level 1 to 3 severe t’storm threat is in place across the state from Monday morning through early…
(11:45AM – Friday, April 17th, 2026) Potentially widespread and significant severe t’storm threat expected thru late tonight/early Saturday… ⚠️Update…•With this update cycle, on the forecast for today/tonight, we have expanded severe t’storm probabilities across the state and have increased severe t’storm probabilities to a level 4 risk across a good…
(11:00PM – Thursday, April 16th, 2026) Severe t’storm threat expected Friday thru early Saturday… ⚠️Update…•With this update cycle, on the forecast for Friday/Firday night, we have expanded level 2 severe t’storm probabilities and upgraded portions of Northwestern/Western Illinois to a level 3 risk. These changes were to account for increasing…
(11:00AM – Thursday, April 16th, 2026) Severe t’storm threat returns for Friday thru early Saturday… ⏰📍Timing & Location…•Friday Afternoon – Early Saturday Morning, April 17-18th: Much of Illinois. ⚡️Hazards…•A level 1 to 2 severe t’storm threat is in place across much of Illinois from Friday afternoon through early Saturday morning,…
(9:30PM – Wednesday, April 15th, 2026) Severe t’storm threat continues through late tonight/early tomorrow morning… ⚠️Update…•With this update cycle, on the forecast for tonight, severe t’storm probabilities have been updated based on real-time observations and trends. ⏰📍Timing & Location…•Tonight – Early Thursday Morning, April 15-16th: Much of Illinois. ⚡️Hazards…•A level…
(12:45PM – Wednesday, April 15th, 2026) Continued severe t’storm threat thru late tonight/early Thursday morning… ⚠️Update…•With this update cycle, on the forecast for today/tonight, we have upgraded roughly the western half of the state to a level 2 severe t’storm threat. Across this area, slightly higher severe t’storm coverage will…
(11:00PM – Tuesday, April 14th, 2026) Severe weather threat continues thru Wednesday night/Thursday morning… #ILWx ⚠️Update…•With this update cycle, on the forecast for tonight, adjustments have been made to severe t’storm probabilities based on trends and real-time observations.•With this update cycle, no changes were needed to the going forecast for…
(11:45AM – Tuesday, April 14th, 2026) Multi-day severe weather threat continues through early Thursday… ⚠️Update…•With this update cycle, on the forecast for today/tonight, we have expanded level 3 severe t’storm probabilities across more of Northern and Central Illinois. Additionally, we have upgraded portions of Northern Illinois to a level 4…
