Following the snowfall on December 29, a brutally cold arctic high settled across the area through New Year's Day.  Blustery northwest winds from 15 to 25 mph with gusts over 30 mph continued through midday on December 30th across southwest Minnesota. Winds diminished to 5 to 15 mph by later on the 30th through New Year's Eve, but was met by temperatures diving into the teens and 20's below zero. Many locations were below zero for 72 hours or longer. The extreme cold and wind chill continued into January 1st.

Extreme Cold/Wind Chill in LYON, MINNESOTA
From 30-DEC-17 03:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Even though winds were 15 to 25 mph with gusts over 30 mph on December 30 and only 10 to 15 mph on December 31, bitterly cold wind chills of -35 to -50 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero. A coldest wind chill of -46 occurred around 0800CST at Marshall on December 31. Record low temperatures of -25F and -34F occurred on the 30th and 31st, respectively.

Extreme Cold/Wind Chill in LINCOLN, MINNESOTA
From 30-DEC-17 03:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Even though winds were 15 to 25 mph with gusts over 30 mph on December 30 and only 10 to 15 mph on December 31, bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero.

Extreme Cold/Wind Chill in PIPESTONE, MINNESOTA
From 30-DEC-17 06:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero and winds persisted at 10 to 20 mph.  The lowest wind chill for the two day period at Pipestone was -43 at 0900CST December 31.

Extreme Cold/Wind Chill in MURRAY, MINNESOTA
From 30-DEC-17 04:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero and winds persisted at 10 to 20 mph.  The lowest wind chill for the two day period at Slayton was -40 at 1745CST December 31.

Extreme Cold/Wind Chill in COTTONWOOD, MINNESOTA
From 30-DEC-17 04:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Even though winds were 15 to 25 mph with gusts over 30 mph on December 30 and only 10 to 15 mph on December 31, bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero. A coldest wind chill of -43 occurred around 0900CST December 31 at Windom.

Extreme Cold/Wind Chill in ROCK, MINNESOTA
From 31-DEC-17 07:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero and winds persisted at 10 to 20 mph. The lowest wind chill for the two day period at Luverne was -38 at 1715CST December 31.

Extreme Cold/Wind Chill in NOBLES, MINNESOTA
From 30-DEC-17 06:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero and winds persisted at 10 to 20 mph. The lowest wind chill for the two day period at Worthington was -44 at 2100CST December 31.

Extreme Cold/Wind Chill in JACKSON, MINNESOTA
From 30-DEC-17 06:00:00 to 31-DEC-17 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Even though winds were 15 to 25 mph with gusts over 30 mph on December 30 and only 10 to 15 mph on December 31, bitterly cold wind chills of -35 to -45 prevailed over much the two day period as temperatures plummeted to the teens and 20's below zero. A coldest wind chill of -40 occurred around 0900CST at Jackson on December 31. A record low temperature of -21F occurred on the 31st two miles northeast of Lakefield.