A tornado swept through communities in heavily populated suburban Chicago, damaging more than 100 homes, toppling trees, knocking out power and causing multiple injuries, officials said.

There was relief Monday, though, as authorities reported that it appeared no one had died. Less than a dozen people were hurt in the tornado that touched down after 11 p.m. Sunday, and all were expected to recover.

At least eight people were hospitalised in Naperville, where 22 homes were left “uninhabitable” and more than 130 homes were damaged in the suburb of 147,500 people that’s about 25 miles (40 kilometers) west of Chicago.

The tornado was confirmed by radar, and a team with the National Weather Service began surveying damage Monday to determine its strength and path. The agency said one tornado likely caused damage in Naperville, Woodridge and Darien.

“If there were no fatalities — and there haven’t been any reported to us — that’s great news considering the population of the area, the level of damage and the time of day, after 11 p.m. when many people may be asleep,” Matt Friedlein, a meteorologist with the National Weather Service in Romeoville, said.

Radar also showed storm rotation over several other areas of suburban Chicago, and in northwestern Indiana in the Hobart and South Haven areas, Friedlein said.

The weather service said surveys on Monday determined two EF1 tornadoes packing winds up to 100 mph (161 kph) struck northern Indiana’s St. Joseph and Steuben counties, damaging some barns and trees and destroying other exterior structures.

Severe storms also hit other parts of the Midwest. A tornado damaged several buildings and knocked down power lines and trees in eastern Iowa on Sunday night. And in Missouri, a thunderstorm with strong winds whipped through parts of the state, knocking down trees and power lines.