Arctic air combined with strong northwest winds of 20 to 40 mph to bring extreme wind chills to much of north central and northeast South Dakota. The extreme wind chills began in the morning hours of January 29th across all of the area. The wind chills improved across north central South Dakota by the evening and improved across northeast South Dakota during the morning hours of January 30th. The extreme wind chills ranged from 35 to 50 degrees below zero across the area. The extreme cold caused school delays and activity cancellations along with much discomfort to people and livestock.
On Monday January 28th, the day before the extreme cold, a southerly flow brought very mild temperatures with some record highs set at several locations. Highs were in the 40s to the mid 50s across central and northeast South Dakota. When the Arctic front came through on January 28th, temperatures fell dramatically through the evening and early morning with below zero temperatures by Tuesday morning, January 29th. In fact, most locations across the area had a 40 to 55 degree temperature change from the 28th to the 29th.

Extreme Cold/Wind Chill in ROBERTS, SOUTH DAKOTA
From 29-JAN-08 10:00:00 to 30-JAN-08 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in SPINK, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in SULLY, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in WALWORTH, SOUTH DAKOTA
From 29-JAN-08 06:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in DEWEY, SOUTH DAKOTA
From 29-JAN-08 02:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in EDMUNDS, SOUTH DAKOTA
From 29-JAN-08 03:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in HAMLIN, SOUTH DAKOTA
From 29-JAN-08 10:00:00 to 30-JAN-08 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in HAND, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in FAULK, SOUTH DAKOTA
From 29-JAN-08 10:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in GRANT, SOUTH DAKOTA
From 29-JAN-08 10:00:00 to 30-JAN-08 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in MCPHERSON, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in POTTER, SOUTH DAKOTA
From 29-JAN-08 06:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in LYMAN, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in MARSHALL, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in HUGHES, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in HYDE, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CODINGTON, SOUTH DAKOTA
From 29-JAN-08 09:00:00 to 30-JAN-08 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in CORSON, SOUTH DAKOTA
From 28-JAN-08 22:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in BROWN, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in BUFFALO, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in DAY, SOUTH DAKOTA
From 29-JAN-08 09:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in DEUEL, SOUTH DAKOTA
From 29-JAN-08 09:00:00 to 30-JAN-08 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Extreme Cold/Wind Chill in CAMPBELL, SOUTH DAKOTA
From 29-JAN-08 00:00:00 to 29-JAN-08 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Extreme Cold/Wind Chill in CLARK, SOUTH DAKOTA
From 29-JAN-08 08:00:00 to 30-JAN-08 02:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS