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.

Extreme Cold/Wind Chill in WESTERN ESSEX, NEW YORK
From 03-FEB-23 06:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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; North Hudson at -29, Newcomb at -28 and Ticonderoga at -20.
Some specific extreme wind chill values included; -40 at Ticonderoga, -38 at Newcomb.

Extreme Cold/Wind Chill in NORTHERN FRANKLIN, NEW YORK
From 03-FEB-23 05:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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;-33 in Saranac Lake, -32  and -26 in Malone.
Some specific extreme wind chill values included; --49 in Gabriels, -48 in Malone, -46 in Saranac Lake and -44 in Tupper Lake.

Extreme Cold/Wind Chill in SOUTHERN FRANKLIN, NEW YORK
From 03-FEB-23 05:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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;-33 in Saranac Lake, -32  and -26 in Malone.
Some specific extreme wind chill values included; --49 in Gabriels, -48 in Malone, -46 in Saranac Lake and -44 in Tupper Lake.

Extreme Cold/Wind Chill in NORTHERN ST. LAWRENCE, NEW YORK
From 03-FEB-23 03:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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.

Extreme Cold/Wind Chill in SOUTHEASTERN ST. LAWRENCE, NEW YORK
From 03-FEB-23 03:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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.

Extreme Cold/Wind Chill in SOUTHWESTERN ST. LAWRENCE, NEW YORK
From 03-FEB-23 03:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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.

Extreme Cold/Wind Chill in EASTERN CLINTON, NEW YORK
From 03-FEB-23 06:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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; Saranac at -30, Chazy at -29, Ellenburg at -23 and Plattsburgh at -22.
Some specific extreme wind chill values included; -51 at Ellenburg, -46 at Saranac, -44 at Chazy and -40 in Plattsburgh.

Extreme Cold/Wind Chill in WESTERN CLINTON, NEW YORK
From 03-FEB-23 06:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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; Saranac at -30, Chazy at -29, Ellenburg at -23 and Plattsburgh at -22.
Some specific extreme wind chill values included; -51 at Ellenburg, -46 at Saranac, -44 at Chazy and -40 in Plattsburgh.

Extreme Cold/Wind Chill in EASTERN ESSEX, NEW YORK
From 03-FEB-23 06:00:00 to 04-FEB-23 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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; North Hudson at -29, Newcomb at -28 and Ticonderoga at -20.
Some specific extreme wind chill values included; -40 at Ticonderoga, -38 at Newcomb.