The Chicago area is preparing for a series of severe weather events commencing on Sunday, March 15, 2026. According to ABC7 Chicago, the region will experience thunderstorms starting around 9 a.m. and lasting until noon. A second wave of thunderstorms is anticipated from 4 p.m. to 9 p.m., with damaging wind gusts posing the primary threat. A third round of weather will begin around 1 a.m. on Monday, transitioning into snow showers expected to accumulate 1 to 4 inches by Monday morning. The Chicago area is under a Level 2 risk for severe weather, while northern and northwestern suburbs are at Level 1 risk.