A tornado was spotted in the Watford City area but no damage was reported.
A National Weather Service meteorologist says high winds are expected to be the biggest threat.
The thunderstorms are expected to produce very heavy rain and rainfall rates of up to two inches per hour, which could lead to localized flooding.
Much of the region was under flash flood, thunderstorm and tornado watches.
There were several Tornado and Severe Thunderstorm Warnings issued for the Quad Cities area this evening as strong storms moved through north and east of the metro Quad Cities.
Heavy rains and winds approaching 60 miles per hour accompanied the storm front as it swept into Chicago, he said.
Travelers were seeing an impact by early afternoon with cancellations and delays at both of Chicago’s major airports.
Early on Wednesday, windy conditions were seen in parts of southern Iowa and Northern Missouri, meteorologists said. Download the Storm Shield Weather Radio App for your iPhone or Android device and get severe weather alerts wherever you are. The Chicago Department of Aviation announced 100 canceled flights at O’Hare and 40 canceled flights at Midway, citing thunderstorms in the area.
The LaSalle County Emergency Management Agency says it received reports late Wednesday of tree branches littering the streets of Earlville, but no reports of damage to homes or businesses.
Exactly 1 year after a tornado twisted through the Sauk Valley, storms struck again, this time bringing a fast-moving system that delivered heavy rains and a reported brief tornado touch-down in Lee County. Winds gusted up to 66 miles per hour around Muscatine, Iowa. The storms produced several tornadoes and severe thunderstorm warnings in IL.
It’s a unsafe night to have to travel into northern IN and northern Ohio.