Jesse Walters and Tammy King of JWSevereWeather document several rotating cloud features and possibly two funnels across far northern Illinois on May 15, 2017.
Shot Description

Shot 1-3 – Funnel cloud shots from Garden City, Illinois

Shot 4 – Automobile accident caused by hydroplaning

Shot 5-7 – Rotating clouds, possible funnels west of Rockford, Illinois

Shot 8-11 – Supercell structure west of Rockford, Illinois

Shot 9-14 – Various cloud rotations and circulations west of Rockford, Il

Shot 15 – Supercell structure west of Rockford, Illinois

Shot 16 – Rainbow after supercell decayed in Huntley, Illinois