The Indiana Department of Homeland Security says seven people have died in the state due to weekend rain and strong winds.
A busy stretch of Interstate 80/94 in northwestern Indiana remains closed Monday morning due to flooding caused by heavy weekend rains.
The rain and strong winds prompted the evacuations of thousands of homes.
A 48-year-old teacher and his 74-year-old father drowned while trying to rescue a 10-year-old boy from a swiftly flowing flooded ditch in a Chesterton subdivision. The boy made it out safely.
Four people died Sunday in southern Indiana from falling trees, and a man was killed when he was hit by a large limb he was trying to remove from a tree.
Two of the deaths occured in Clark County. The others were in Crawford, Perry, and Ohio counties.
About 40 Indiana National Guard troops assisted with the evacuation of up to 5,000 residents from about 3,000 homes in Munster.
Homeland Security estimated 200,000 people were without power statewide late Sunday night.
The rain and winds also forced an early end to the MotoGP motorcycle race at the Indianapolis Motor Speedway, where a tent collapse hurt two fans who a track spokesman said suffered non-life threatening injuries.