![Wx Geek on Twitter: "7 years ago today, Illinois experienced its costliest and deadliest tornado outbreak in the month of November. The radar analysis of when the EF-4 tornado struck Washington, IL Wx Geek on Twitter: "7 years ago today, Illinois experienced its costliest and deadliest tornado outbreak in the month of November. The radar analysis of when the EF-4 tornado struck Washington, IL](https://pbs.twimg.com/media/EnEWDZLW4AIfJ4a.png)
Wx Geek on Twitter: "7 years ago today, Illinois experienced its costliest and deadliest tornado outbreak in the month of November. The radar analysis of when the EF-4 tornado struck Washington, IL
![Line of storms headed east into north-central Illinois- Wind gusts to 50 mph possible in Winnebago and Boone counties until 9:15pm | WGN-TV Line of storms headed east into north-central Illinois- Wind gusts to 50 mph possible in Winnebago and Boone counties until 9:15pm | WGN-TV](https://wgntv.com/wp-content/uploads/sites/5/2018/08/wgntv_radar_metro_a4.gif)
Line of storms headed east into north-central Illinois- Wind gusts to 50 mph possible in Winnebago and Boone counties until 9:15pm | WGN-TV
![Weather Radar Image at Time of Tornado Touchdown Near Caledonia, Illinois Near Rockford – Cardinal News Weather Radar Image at Time of Tornado Touchdown Near Caledonia, Illinois Near Rockford – Cardinal News](https://www.arlingtoncardinal.com/wordpress/wp-content/uploads/2010/11/Radar-20101122-1450.gif)
Weather Radar Image at Time of Tornado Touchdown Near Caledonia, Illinois Near Rockford – Cardinal News
![Weather Radar at Approximate Time of the Harrisburg, Illinois Tornado — Wed. Feb. 29, 2012 at 5:00 AM CST – Cardinal News Weather Radar at Approximate Time of the Harrisburg, Illinois Tornado — Wed. Feb. 29, 2012 at 5:00 AM CST – Cardinal News](https://www.arlingtoncardinal.com/wordpress/wp-content/uploads/2012/02/HarrisburgTornadoRadar20120229.jpg)