The National Weather Service released an extreme cold warning at 12:15 p.m. on Thursday valid from 7 p.m. until Friday 10 a.m. for Oneida County. Keep pets indoors as much as possible.”Understanding cold weather alertsExtreme cold warning: Take Action! An extreme cold warning is issued when dangerously cold air temperatures or wind chill values are expected or occurring. An extreme cold watch is issued when dangerously cold air temperatures or wind chill values are possible. A cold weather advisory is issued when seasonably cold air temperatures or wind chill values, but not extremely cold values, are expected or occurring.