Overview

• The National Weather Service has issued a Tornado Watch for Chicagoland through 11 PM under a Level 2 of 5 severe risk.
• Enhanced risk designations cover Kane, Kendall, Grundy, DeKalb and LaSalle counties where storm impacts could be greatest.
• Storms that arrived around 5 PM are producing damaging winds and hail with isolated tornadoes possible.
• Forecasts also warn of flash flooding and advise commuters to prepare for slick roads and sudden downpours.
• This event continues a familiar summer pattern of intense heat waves giving way to significant thunderstorms in the region.