Frigid air temperatures below zero combined with very strong northwesterly wind gusts from 40 to 60 mph to result in a prolonged period of life-threatening wind chills. The entire region exceeded Wind Chill Warning criteria for multiple days and most locations bottomed out between 45 below and 55 below zero. Numerous reports were received of frozen pipes and water-damaged or flooded structures.

Extreme Cold/Wind Chill in TURNER, SOUTH DAKOTA
From 21-DEC-22 20:00:00 to 24-DEC-22 06:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -52F 4 miles east-southeast of Parker (South Dakota Road Weather Information System site SD605).

Extreme Cold/Wind Chill in UNION, SOUTH DAKOTA
From 21-DEC-22 20:00:00 to 23-DEC-22 13:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -54F 3 miles south-southwest of Beresford (South Dakota Road Weather Information System site SD508) and -50F 4 miles northwest of North Sioux City (South Dakota Road Weather Information System site SD550).

Extreme Cold/Wind Chill in YANKTON, SOUTH DAKOTA
From 21-DEC-22 20:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -52F at Yankton (AWOS site KYKN) and -50F 2 miles west-southwest of Gayville (South Dakota Road Weather Information System site SD532).

Extreme Cold/Wind Chill in AURORA, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -56F near White Lake (South Dakota State University Mesonet site WTES2) and -54F 4 miles west of Plankinton (South Dakota Road Weather Information System site SD553).

Extreme Cold/Wind Chill in BEADLE, SOUTH DAKOTA
From 21-DEC-22 17:30:00 to 24-DEC-22 08:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -53F 3 miles north-northwest of Wolsey (South Dakota Road Weather Information System site SD582) and -50F at Huron (ASOS site KHON).

Extreme Cold/Wind Chill in BON HOMME, SOUTH DAKOTA
From 21-DEC-22 21:00:00 to 24-DEC-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -51F 3 miles south of Scotland (personal weather station DVI02596) and -48F 5 miles east-southeast of Tyndall (South Dakota Road Weather Information System site SD571).

Extreme Cold/Wind Chill in BROOKINGS, SOUTH DAKOTA
From 21-DEC-22 21:00:00 to 23-DEC-22 19:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -53F at Volga (South Dakota State University Mesonet VGAS2) and -51F at Brookings (site KBKX).

Extreme Cold/Wind Chill in BRULE, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 23-DEC-22 13:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -53F at Kimball (South Dakota Road Weather Information System site SD537) and -48F at Chamberlain (site K9V9).

Extreme Cold/Wind Chill in CHARLES MIX, SOUTH DAKOTA
From 21-DEC-22 19:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -52F 10 miles west of Platte (South Dakota Road Weather Information System site SD554) and -50F 5 miles west of Geddes (RAWS site RLAS2).

Extreme Cold/Wind Chill in CLAY, SOUTH DAKOTA
From 21-DEC-22 20:00:00 to 24-DEC-22 07:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -53F 7 miles west-southwest of Beresford (South Dakota State University Mesonet BFMS2).

Extreme Cold/Wind Chill in DAVISON, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 24-DEC-22 01:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -50F at Mitchell (ASOS site KMHE) and -48F at Ethan (site ETHNS).

Extreme Cold/Wind Chill in DOUGLAS, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -54F 3 miles south of Corsica (South Dakota Road Weather Information System site SD601).

Extreme Cold/Wind Chill in GREGORY, SOUTH DAKOTA
From 21-DEC-22 19:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -56F 1 mile east-southeast of Dallas (South Dakota Road Weather Information System site SD602), -54F 4 miles east of Dixon (South Dakota Road Weather Information System site SD589), -52F 2 miles west-southwest of Pickstown (South Dakota Road Weather Information System site SD588), and -51F at Gregory (site K9D1).

Extreme Cold/Wind Chill in HANSON, SOUTH DAKOTA
From 21-DEC-22 19:00:00 to 23-DEC-22 15:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -52F 4 miles east-northeast of Alexandria (South Dakota Road Weather Information System site SD502).

Extreme Cold/Wind Chill in HUTCHINSON, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 24-DEC-22 03:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -54F 5 miles south of Freeman (South Dakota Road Weather Information System site SD530) and 1 mile northwest of Tripp (South Dakota Road Weather Information System site SD570), and -50F at Parkston (South Dakota State University Mesonet site PSTS2).

Extreme Cold/Wind Chill in JERAULD, SOUTH DAKOTA
From 21-DEC-22 15:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -53F 3 miles west of Lane (South Dakota Road Weather Information System site SD603).

Extreme Cold/Wind Chill in KINGSBURY, SOUTH DAKOTA
From 21-DEC-22 20:00:00 to 23-DEC-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -48F 4 miles south of Arlington (South Dakota Road Weather Information System site SD504).

Extreme Cold/Wind Chill in LAKE, SOUTH DAKOTA
From 21-DEC-22 21:00:00 to 24-DEC-22 09:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -53F at Madison (site KMDS).

Extreme Cold/Wind Chill in LINCOLN, SOUTH DAKOTA
From 21-DEC-22 21:00:00 to 24-DEC-22 04:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -52F 10 miles east of Davis (South Dakota Road Weather Information System site SD519) and -46F at Canton (AWOS site K7G9).

Extreme Cold/Wind Chill in MCCOOK, SOUTH DAKOTA
From 21-DEC-22 19:00:00 to 24-DEC-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -54F 3 miles southeast of Montrose (South Dakota Road Weather Information System site SD547).

Extreme Cold/Wind Chill in MINER, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 24-DEC-22 08:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -50F 1 mile west of Howard (South Dakota Road Weather Information System site SD597).

Extreme Cold/Wind Chill in MINNEHAHA, SOUTH DAKOTA
From 21-DEC-22 22:00:00 to 24-DEC-22 09:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -55F 10 miles west-southwest of Sioux Falls (South Dakota State University Mesonet site SFWS2), -54F 2 miles east of Colton (South Dakota State University Mesonet site CTNS2) and 2 miles west of Dell Rapids (South Dakota Road Weather Information System site SD520), -50F 3 miles southeast of Baltic (South Dakota State University Mesonet site BTCS2), and -49F at Sioux Falls (ASOS site KFSD).

Extreme Cold/Wind Chill in MOODY, SOUTH DAKOTA
From 21-DEC-22 23:00:00 to 24-DEC-22 06:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -53F at Flandreau (South Dakota State University Mesonet FLNS2).

Extreme Cold/Wind Chill in SANBORN, SOUTH DAKOTA
From 21-DEC-22 18:00:00 to 23-DEC-22 14:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -52F at Letcher (South Dakota State University Mesonet site LCMS2) and -50F 3 miles east-southeast of Forestburg (South Dakota Road Weather Information System site SD527).