Multiple rounds of thunderstorms are expected on Wednesday in Chicago, with the possibility of severe conditions at night. The day starts with morning downpours and hail, which could affect the morning commute. Temperatures reach the upper 60s, near 70 degrees, with gusty winds outside of storms.

Chicago is bracing for severe weather Sunday as a low-pressure system triggers a dramatic shift, bringing thunderstorms, the potential for tornadoes, and even snow.

The first of multiple rounds of strong storms were moving across the Chicago area Wednesday morning, with hail, lightning and heavy downpours pummeling several suburbs. As the morning goes on the ...