JOLIET -- Police in the Chicago suburb of Joliet say they believe a man froze to death after falling outside his home.
The Joliet Herald-News reports the man's body was found Sunday morning in his backyard.
Joliet Police Lt. Kevin LaBolle says authorities weren't releasing the man's name or age, but say he was elderly and lived alone. He said the man remained outside overnight.
The National Weather Service in Romeoville reports Sunday's overnight low in Joliet was 15 degrees, although the wind chill made it feel colder.
Joliet is about 30 miles southwest of Chicago.