A man cuts pieces off of a tree that fell on a vehicle Sunday in Springfield Township, Ohio. A grandfather, his wife and two grandsons were in the car when the tree fell across the backseat of the SUV in which they were riding. They were helped from their car by nearby residents then transported to area hospitals. Getting to them was made difficult by multiple trees down across the roadway.

Munster, Ind. ? The remnants of Hurricane Ike swept into the Midwest Sunday with powerful winds and flooding that were being blamed for at least 13 deaths. Thousands have been evacuated and more than a million homes and businesses lost electrical power.

Cook County in Illinois was placed under a state of emergency as thigh-high water prompted dozens of boat rescues in Chicago.

The death toll from Ike rose to 28 people in eight states extending from the hurricane-pounded Gulf Coast to the storm-battered Midwest.

Four people died in floodwaters and high winds in Indiana. A teacher and his father were sucked into a culvert and drowned Sunday morning while trying to rescue a 10-year-old boy from a flooded ditch in Chesterton in northwest Indiana, the state Department of Natural Resources said. Falling trees were blamed for two deaths in southern Indiana.

Three people died in Missouri, including a 21-year-old woman who was likely swept away by rising floodwaters while trying to help another man, authorities said. Two died in the St. Louis area – a woman struck by a tree limb and an elderly man found dead in a residence’s flooded backyard. Authorities suspect the man drowned.

In Tennessee, two men sitting in a golf cart on the 16th hole of a Nashville golf course were killed when a tree fell over on them Sunday morning, fire department spokesman Ricky Taylor said.

Strong winds were blamed for three deaths in Ohio. Two motorcyclists were killed Sunday when a tree toppled onto them at a state park in southwest Ohio, said state Department of Natural Resources spokesman Jason Fallon. and a woman wan killed when a tree crashed into her home in Hamilton County, just north of Cincinnati.

One death was reported in Arkansas, where a 29-year-old man was killed when a tree fell on a mobile home as he was preparing to leave, authorities said.

The remnants of Ike dumped as much as 6 to 8 inches of rain in parts of Indiana, Illinois and Missouri, spawned a tornado Arkansas that damaged several buildings, and delivered hurricane-force winds to Ohio, forcing Cincinnati’s main airport to temporarily shut down. Flooding in Missouri closed the street in front of St. Louis’ famed Gateway Arch.

About 40 Indiana National Guard troops were activated Sunday afternoon to assist with the evacuation of up to 5,000 residents and to help safeguard property in the northwest town of Munster, Staff Sgt. Jeff Lowry said in a news release.