Found 2 places
Latitude: 41.6045 (41°36′16″N), Longitude: -88.0845 (88°5′4″W)
Site: ncdc.noaa.gov/nexradinv/chooseday.jsp?id=KLOT
Latitude: 41.6027 (41°36′10″N), Longitude: -88.0807 (88°4′51″W)