They are on the move already this year. Closest is near Rhinebeck NY.
https://ebird.org/map/snoowl1?neg=f...&mr=on&bmo=10&emo=12&yr=cur&byr=2018&eyr=2018
https://ebird.org/map/snoowl1?neg=f...&mr=on&bmo=10&emo=12&yr=cur&byr=2018&eyr=2018