(1:15PM – Friday, April 18th, 2025) As another storm system moves through the region, additional rounds of shower and t’storm activity will be likely across the state from Saturday morning through early Monday morning. Severe t’storms will be possible with some of this activity.
Timing & Location…
•Saturday Morning – Sunday Morning, April 19-20th: Southern Illinois
•Sunday Morning – Early Monday Morning, April 20-21st: Large portion of Illinois.
Impacts…
•A level 1 severe t’storm threat is in place across portions of Southern Illinois, for the possibility of isolated severe t’storms. Large hail, damaging winds and an isolated tornado will be possible with activity.
•A severe t’storm threat will also exist across a larger portion of the state from Sunday morning through early Monday morning. Specific information regarding this potential will be provided in a future update.
Discussion…
•For Saturday morning through Sunday morning… As one storm system departs the region and the next storm system approaches the region, a stationary front will be in place in the vicinity of Southern Illinois between storm systems. Periods of scattered showers and t’storms will be likely across the southern half of the state, from Saturday morning through Sunday morning. Severe t’storms will be possible with some of this activity.
•As the next main storm system ejects through the region on Sunday, more widespread shower and t’storm activity will be likely across the state, from Sunday morning through early Monday morning. Severe t’storms will be possible with some of this activity. Specific information regarding this potential will be provided in a future update.