A deadly severe weather outbreak spawned at least one tornado in 22 states from May 15 - 21. Among the hardest hit states were Kentucky, Missouri, Oklahoma and Wisconsin.

Downed trees were scattered across roads and thousands were without power after a line of destructive storms hit the city.

CHICAGO - Storms may turn severe in southern parts of Chicagoland this afternoon, with a few brief tornadoes possible. An approaching low-pressure system is triggering scattered showers and storms across the Chicago area this afternoon, with the strongest activity expected in the far southern sections of the region.

The sirens in St. Louis were not activated ahead of a tornado last week. Sabrina Franza wanted to know about tornado siren activation protocols in Chicago and the suburbs.

More severe storms were expected to roll across the central U.S. this week following the weather-related deaths of more than two dozen people and a devastating Kentucky tornado.

The 2025 tornado season in the United States is the most active in over a decade, with more preliminary tornado reports by May 20 than in any year since 2011.

A tall, imposing plume of agricultural sediment blew from central Illinois and over dry farmland to envelop Chicago, dropping visibility to near zero last week during a type of dust storm mostly