Severe weather risk upgraded over Chicago, Midwest for widespread damaging winds and tornadoes

Severe weather risk upgraded over Chicago, Midwest for widespread damaging winds and tornadoes

NOAA's Storm Prediction Center (SPC) has upgraded Thursday's severe storm risk for millions in Chicago and other parts of the Midwest, warning of widespread damaging winds and tornadoes, part of an ongoing outbreak that spawned a 350-mile derecho Wednesday.