Following in behind a high wind/blizzard event, bitter cold arctic air along with northwest winds brought extreme wind chills to north central and northeast South Dakota.  The extreme wind chills began during the morning hours of the 29th and continued through the morning hours of the 31st.  Many record lows and record low maximums were set mainly on the 30th. Highs were in the teens below zero on the 30th across the east. Some of the record low temperatures were, 31 degrees below zero at Sisseton and Webster; 33 degrees below zero at Watertown; 37 degrees below zero at Eureka and Aberdeen; 38 degrees below zero at Summit; and 40 degrees below zero at Britton.
Most schools along with college campuses and businesses across the region had late starts or cancelled classes for two days. Mail service was also cancelled. Extreme wind chills from 35 degrees below to near 60 degrees below zero occurred. Some of the lowest wind chills include, 42 degrees below zero east of Danforth; 45 degrees below zero at Wallace; 47 degrees below zero at Aberdeen; 54 degrees below zero at Watertown; and 59 degrees below zero at Sisseton.

Extreme Cold/Wind Chill in POTTER, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in MCPHERSON, SOUTH DAKOTA
From 29-JAN-19 08:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in EDMUNDS, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in FAULK, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in HAND, SOUTH DAKOTA
From 29-JAN-19 08:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in BROWN, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in SPINK, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in MARSHALL, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in DAY, SOUTH DAKOTA
From 29-JAN-19 07:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CLARK, SOUTH DAKOTA
From 29-JAN-19 07:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CODINGTON, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in HAMLIN, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in ROBERTS, SOUTH DAKOTA
From 29-JAN-19 08:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in GRANT, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in DEUEL, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CORSON, SOUTH DAKOTA
From 29-JAN-19 08:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CAMPBELL, SOUTH DAKOTA
From 29-JAN-19 08:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in WALWORTH, SOUTH DAKOTA
From 29-JAN-19 09:00:00 to 31-JAN-19 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet