COLUMBUS – Like much of the country, central Ohio is dealing with the coldest weather of the season as air temperatures dropped into the single digits Wednesday morning, accompanied by subzero wind chills.
A wind chill advisory was in effect from Tuesday night until Wednesday morning. The wind chill dipped to -11 in Columbus early Wednesday morning and -13 in Marysville.

How to protect your home and family from the cold
Across the U.S., perilously cold weather closed schools and put electricity supplies at risk on Tuesday.
According to his social media feed, Dan O’Conor, known as the “Great Lake Jumper,” did his usual morning flip into Lake Michigan in Chicago where the air temperature was at minus 5 degrees.