A tornado watch was still in effect until 11 p.m. Friday for Cook County and northern Illinois, but the severe weather mainly stayed northwest of the Chicago area thanks to a line of cool, dense air that broke the storms up.

Chicago weather remains unsettled heading into the weekend, with a severe storm threat Friday evening that brings the possibility of tornadoes and flooding.

Potentially dangerous storms accompanied by damaging winds and hail were possible in the Chicago area on Friday night.