Northwest winds from 10 to 20 mph with temperatures falling to the teens below zero produced wind chills from 30 below to 40 below zero.

Cold/Wind Chill in SANBORN, SOUTH DAKOTA
From 23-FEB-23 21:00:00 to 24-FEB-23 08:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -33 3 miles southeast of Forestburg.

Cold/Wind Chill in BRULE, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 06:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -33 at Chamberlain and -31 at Kimball.

Cold/Wind Chill in DOUGLAS, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 05:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -33 1 mile south of Corsica.

Cold/Wind Chill in LINCOLN, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 08:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -34 10 miles east of Davis.

Extreme Cold/Wind Chill in CHARLES MIX, SOUTH DAKOTA
From 23-FEB-23 22:00:00 to 24-FEB-23 05:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -38 10 miles west of Platte.

Extreme Cold/Wind Chill in DAVISON, SOUTH DAKOTA
From 24-FEB-23 01:00:00 to 24-FEB-23 03:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -37 at Mitchell.

Cold/Wind Chill in JERAULD, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 07:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -34 3 miles west of Lane.

Cold/Wind Chill in GREGORY, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 03:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -30 2 miles west-southwest of Pickstown and 1 mile east-southeast of Dallas, and -28 4 miles east of Dixon.

Cold/Wind Chill in HUTCHINSON, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 08:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -35 very briefly 5 miles south of Freeman, and -33 1 mile northwest of Tripp.

Cold/Wind Chill in BON HOMME, SOUTH DAKOTA
From 23-FEB-23 21:00:00 to 24-FEB-23 03:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -30 5 miles southeast of Tyndall.

Cold/Wind Chill in YANKTON, SOUTH DAKOTA
From 23-FEB-23 21:00:00 to 24-FEB-23 05:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -30 at Yankton and -29 2 miles west-southwest of Gayville.

Cold/Wind Chill in UNION, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 07:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -32 3 miles south-southwest of Beresford.

Cold/Wind Chill in CLAY, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 06:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -30 7 miles west-southwest of Beresford.

Extreme Cold/Wind Chill in LAKE, SOUTH DAKOTA
From 23-FEB-23 22:00:00 to 24-FEB-23 04:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -41 at Madison.

Cold/Wind Chill in MINER, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 09:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -31 1 mile west of Howard.

Cold/Wind Chill in MOODY, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 09:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -36 13 miles west of Ward, but was only at or colder than -35 for less than an hour.

Extreme Cold/Wind Chill in BEADLE, SOUTH DAKOTA
From 23-FEB-23 21:00:00 to 24-FEB-23 06:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -41 at Huron and -38 at Wolsey.

Extreme Cold/Wind Chill in MCCOOK, SOUTH DAKOTA
From 24-FEB-23 01:00:00 to 24-FEB-23 03:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -38 3 miles southeast of Montrose.

Extreme Cold/Wind Chill in MINNEHAHA, SOUTH DAKOTA
From 24-FEB-23 01:00:00 to 24-FEB-23 04:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -37 at Dell Rapids.

Cold/Wind Chill in AURORA, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 07:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -35 4 miles west of Plankinton, but for much less than an hour.

Cold/Wind Chill in KINGSBURY, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 08:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -30 5 miles south of Arlington.

Cold/Wind Chill in BROOKINGS, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 09:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -33 at Brookings.

Cold/Wind Chill in HANSON, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 07:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -34 4 miles east-northeast of Alexandria.

Cold/Wind Chill in TURNER, SOUTH DAKOTA
From 23-FEB-23 18:00:00 to 24-FEB-23 07:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -34 4 miles east-southeast of Parker.