Extreme Cold/Wind Chill — Northern St. Lawrence, New York

2023-02-03 to 2023-02-04 · Northern St. Lawrence, New York

Event narrative

Dangerously cold temperatures and wind chills impacted the area from early Friday morning through Saturday evening. The coldest was Friday night with low temperatures 20 to 30 below zero and wind chills 30 to 45 below zero.

Some specific low temperatures included;-35 in Ogdensburg, -34 in Edwards, -31 in Gouverneur, -28 in Massena and -20 in Potsdam.

Some specific extreme wind chill values included; -45 in Ogdensburg, -43 in Massena, and -38 in Potsdam.

Wider weather episode

An arctic airmass entered northern New York during the early morning hours of February 3rd (Friday) and continued through the evening hours of February 4th (Saturday).

Daytime actual temperature readings Friday were 10 to 20 below zero with brisk west winds creating wind chills of 30 to 40 below zero. Overnight lows Friday night were 20 to 35 below zero with minimum wind chill values of 30 to 45 below zero and it wasn't until Saturday afternoon when actual air temperatures surpassed zero in spots but developing south winds still produced sub-zero wind chills.

Numerous schools and businesses closed as well as outdoor events, including ski resorts.

Source: NOAA Storm Events Database, event_id 1068398. Narrative written by the NWS forecast office that issued the report.