by: Steve Kahn Posted: Jul 24, 2021 / 04:28 PM CDT / Updated: Jul 24, 2021 / 04:28 PM CDT BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE 426 PM CDT SAT JUL 24 2021 THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL COOK COUNTY IN NORTHEASTERN ILLINOIS... * UNTIL 515 PM CDT. * AT 425 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER NEAR OHARE AIRPORT, MOVING SOUTHEAST AT 30 MPH.