Behind a departing winter system, a strong arctic high settled into the region. Winds gusted to 45 to 60 mph as temperatures plummeted on the evening of January 4 into January 5. Northerly winds stayed steady and brisk into January 6th, as air temperatures dropped into the single digits and teens below zero. Wind chills colder than 20 below zero lasted for up to three days at many locations.

Extreme Cold/Wind Chill in UNION, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -40F at South Dakota Road Weather Information System site SD508 3 miles south-southwest of Beresford.

Extreme Cold/Wind Chill in SANBORN, SOUTH DAKOTA
From 06-JAN-22 07:00:00 to 06-JAN-22 11:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -39F at South Dakota Road Weather Information System site SD527 3 miles east-southeast of Forestburg.

Extreme Cold/Wind Chill in JERAULD, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 11:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -37F at site K4X4 at Wessington Springs.

Extreme Cold/Wind Chill in DAVISON, SOUTH DAKOTA
From 06-JAN-22 09:00:00 to 06-JAN-22 11:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -37F at site KMHE near Mitchell and -35F at a personal weather station in Ethan.

Extreme Cold/Wind Chill in HANSON, SOUTH DAKOTA
From 06-JAN-22 05:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -40F at South Dakota Road Weather Information System site SD502 3 miles east-northeast of Alexandria.

Extreme Cold/Wind Chill in MCCOOK, SOUTH DAKOTA
From 06-JAN-22 03:00:00 to 06-JAN-22 13:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -44F at Road Weather Information System site SD547 3 miles southeast of Montrose.

Extreme Cold/Wind Chill in MINNEHAHA, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 13:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -40F at South Dakota Road Weather Information System site SD520 2 miles west of Dell Rapids, -39F at SDSU mesonet site CTNS2 2 miles east-southeast of Colton, -37F at SDSU mesonet site BTCS2 3 miles southeast of Baltic, and -35F at KFSD in Sioux Falls.

Extreme Cold/Wind Chill in CHARLES MIX, SOUTH DAKOTA
From 06-JAN-22 07:00:00 to 06-JAN-22 11:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -36F at South Dakota Road Weather Information System site SD554 10 miles west of Platte, and -35F at RAWS site RLAS2 near Geddes.

Extreme Cold/Wind Chill in GREGORY, SOUTH DAKOTA
From 06-JAN-22 07:00:00 to 06-JAN-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -36F at South Dakota Road Weather Information System site SD588 1 mile southwest of Pickstown and -35F at South Dakota Road Weather Information System site SD589 4 miles east of Dixon.

Extreme Cold/Wind Chill in YANKTON, SOUTH DAKOTA
From 06-JAN-22 08:00:00 to 06-JAN-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -36F at South Dakota Road Weather Information System site SD532 2 mile west-southwest of Gayville and -35 at KYKN near Yankton.

Extreme Cold/Wind Chill in CLAY, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 11:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -36F at SDSU mesonet site BFMS2 7 miles west-southwest of Beresford.

Extreme Cold/Wind Chill in HUTCHINSON, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -42F at South Dakota Road Weather Information System site SD530 5 miles south of Freeman, -37F at South Dakota Road Weather Information System site SD570 1 mile northwest of Tripp, and -33F at SDSU mesonet site PSTS2 at Parkston.

Extreme Cold/Wind Chill in DOUGLAS, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -37F at South Dakota Road Weather Information System site SD570 1 mile northwest of Tripp.

Extreme Cold/Wind Chill in LINCOLN, SOUTH DAKOTA
From 06-JAN-22 05:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -38F at South Dakota Road Weather Information System site SD519 10 miles east of Davis.

Extreme Cold/Wind Chill in MOODY, SOUTH DAKOTA
From 06-JAN-22 02:00:00 to 06-JAN-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -43F at South Dakota Road Weather Information System site SD577 13 miles west of Ward and -40F at SDSU mesonet site FLNS2 3 miles north-northeast of Flandreau.

Extreme Cold/Wind Chill in BRULE, SOUTH DAKOTA
From 06-JAN-22 03:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -40F at South Dakota Road Weather Information System site SD537 at Kimball and -35F at K9V9 in Chamberlain.

Extreme Cold/Wind Chill in LAKE, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -40F at site KMDS in Madison.

Cold/Wind Chill in BON HOMME, SOUTH DAKOTA
From 06-JAN-22 00:00:00 to 06-JAN-22 13:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -33F at South Dakota Road Weather Information System site SD571 5 miles east-southeast of Tyndall.

Extreme Cold/Wind Chill in KINGSBURY, SOUTH DAKOTA
From 06-JAN-22 07:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -37F at Road Weather Information System site SD504 4 miles south of Arlington.

Extreme Cold/Wind Chill in BROOKINGS, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -42F at site KBKX at Brookings, and -40F at SDSU mesonet site BKMS2 4 miles south-southeast of Astoria and -39F at SDSU mesonet site VGAS2 at Volga.

Extreme Cold/Wind Chill in AURORA, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 14:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -39F at South Dakota Road Weather Information System site SD553 4 miles west of Plankinton and -37F at SDSU mesonet site WTES2 near White Lake.

Extreme Cold/Wind Chill in BEADLE, SOUTH DAKOTA
From 06-JAN-22 02:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -42F at the Road Weather Information System site SD582 3 miles north-northwest of Wolsey, and -38F at Road Weather Information System site SD515 3 miles east of Cavour as well as station KHON in Huron.

Extreme Cold/Wind Chill in MINER, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 13:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -41F at South Dakota Road Weather Information System site SD597 1 mile west of Howard.

Extreme Cold/Wind Chill in TURNER, SOUTH DAKOTA
From 06-JAN-22 04:00:00 to 06-JAN-22 12:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -42F at South Dakota Road Weather Information System site SD530 5 miles south of Freeman.