(11:30PM – Tuesday, July 29th, 2025) Continued severe t’storm threat thru early Thursday…
Timing & Location…
•Tuesday Night – Wednesday Morning, July 29-30th: Northwestern & Western Illinois.
•Wednesday Morning – Thursday Morning, July 30-31st: Much of Illinois.
Impacts…
•A level 1 severe t’storm threat is in place across portions of Northwestern and Western Illinois from Tuesday night through Wednesday morning, for the threat of isolated severe t’storms. Damaging winds will be the main threat with activity.
•A level 1 severe t’storm threat is in place across much of Illinois from Wednesday morning through Thursday morning, for the threat of isolated severe t’storms. Damaging winds and hail will be the main threat with activity.
Discussion…
•Tuesday Night – Wednesday Morning… A large complex of rain and t’storm activity will move into Northwestern and Western Illinois from the west on early Wednesday morning. Severe t’storms may be possible with some of this activity.
•Wednesday Morning – Thursday Morning… A large complex of rain and t’storm activity will be ongoing across portions of Northwestern and Western Illinois on Wednesday morning. This activity will then track across portions of Northern and Central Illinois into Wednesday afternoon. Additional development of scattered rain and t’storms will also occur south of the main complex, then affecting a large portion of Illinois, from Wednesday afternoon through early Thursday morning. Severe t’storms may be possible with some of this activity.