A strong arctic surface ridge moved southward behind the light snowfall and freezing rain on February 21-22. Northerly winds which gusted at times to 35 to 50 mph gradually diminished as temperatures dropped to zero to 10 below zero.

Extreme Cold/Wind Chill in MOODY, SOUTH DAKOTA
From 23-FEB-22 07:00:00 to 23-FEB-22 09:00:00 (CST-6)
Reported by: Mesonet

Wind chills reached as low as -35F at Flandreau (SDSU mesonet station FLNS2) and -34F at the South Dakota Road Weather Information System location 13 miles west of Ward (site SD577).

Extreme Cold/Wind Chill in MCCOOK, SOUTH DAKOTA
From 23-FEB-22 06:30:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills reached as low as -38F near Montrose (South Dakota Road Weather Information System site SD547) and -32F at a personal weather station at Canova.

Extreme Cold/Wind Chill in HUTCHINSON, SOUTH DAKOTA
From 23-FEB-22 05:30:00 to 23-FEB-22 09:00:00 (CST-6)
Reported by: Mesonet

Wind chills reached as low as -36F 5 miles south of Freeman (South Dakota Road Weather Information System site SD547) and -33F near Tripp (South Dakota Road Weather Information System site SD570).

Extreme Cold/Wind Chill in UNION, SOUTH DAKOTA
From 23-FEB-22 05:30:00 to 23-FEB-22 09:00:00 (CST-6)
Reported by: Mesonet

Wind chills reached as low as -37F 3 miles south of Beresford (South Dakota Road Weather Information System site SD508) and -30F near North Sioux City (South Dakota Road Weather Information System site SD550).

Cold/Wind Chill in KINGSBURY, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -32F at De Smet (station K6E5) and -30F 4 miles south of Arlington (South Dakota Road Weather Information System site SD504).

Cold/Wind Chill in BROOKINGS, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -33F at Brookings (station KBKX) and the South Dakota State University Mesonet site OAKS2 near Astoria, and -31F at Volga (South Dakota State University Mesonet site VGAS2).

Cold/Wind Chill in LAKE, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -33F at Madison (station KMDS).

Cold/Wind Chill in MINER, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -34F near Howard (South Dakota Road Weather Information System site SD597).

Cold/Wind Chill in SANBORN, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -30F near Forestburg (South Dakota Road Weather Information System site SD527).

Cold/Wind Chill in JERAULD, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -30F near Forestburg (South Dakota Road Weather Information System site SD527) and -32F at the South Dakota State University Mesonet site near White Lake.

Cold/Wind Chill in BRULE, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped to near -35F for less than an hour near Kimball (South Dakota Road Weather Information System site SD537) and -32F at Chamberlain (station K9V9).

Cold/Wind Chill in AURORA, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped to near -35F for less than an hour near Plankinton (South Dakota Road Weather Information System site SD553) and -32F at White Lake (South Dakota State University Mesonet site WTES2).

Cold/Wind Chill in DAVISON, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: ASOS

Wind chills dropped as low as -33F at Mitchell (site KMHE) and -32F at a personal weather station (ETHN2) at Ethan.

Cold/Wind Chill in HANSON, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -33F near Alexandria (South Dakota Road Weather Information System site SD502).

Cold/Wind Chill in MINNEHAHA, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped very briefly as low as -35F at a South Dakota State University Mesonet site 10 miles west-southwest of Sioux Falls, and -33F near Dell Rapids (South Dakota Road Weather Information System site SD520) and Colton (South Dakota State University Mesonet site CTNS2).

Cold/Wind Chill in LINCOLN, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped very briefly as low as -34F at a South Dakota Road Weather Information location 10 miles east of Davis (site SD519) and -25F near Canton (site K7G9).

Cold/Wind Chill in TURNER, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped very briefly as low as -34F at a South Dakota Road Weather Information location 10 miles east of Davis (site SD519).

Cold/Wind Chill in DOUGLAS, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Mesonet

Wind chills dropped as low as -32F at a personal weather station (ETHN2) at Ethan and -31F near Wagner (site KAGZ).

Cold/Wind Chill in GREGORY, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -34F at Gregory (site K9D1) and -33F near Fort Randall Dam (South Dakota Road Weather Information System site SD588).

Cold/Wind Chill in BON HOMME, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: Department of Highways

Wind chills dropped as low as -30F 5 miles east-southeast of Tyndall (South Dakota Road Weather Information System site SD571).

Cold/Wind Chill in YANKTON, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -33F at Yankton (site KYKN) and -32F near Gayville (South Dakota Road Weather Information System site SD532).

Cold/Wind Chill in CLAY, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: AWOS

Wind chills dropped as low as -30F at Vermillion (site KVMR) and 7 miles southwest of Beresford (South Dakota State University Mesonet site BFMS2).

Cold/Wind Chill in CHARLES MIX, SOUTH DAKOTA
From 22-FEB-22 18:00:00 to 23-FEB-22 10:00:00 (CST-6)
Reported by: RAWS

Wind chills dropped as low as -32F near Geddes (site RLAS2), -31F at Wagner (site KAGZ) and -30F 10 miles west of Platte (South Dakota Road Weather Information System site SD554).

Extreme Cold/Wind Chill in BEADLE, SOUTH DAKOTA
From 23-FEB-22 03:30:00 to 23-FEB-22 09:00:00 (CST-6)
Reported by: ASOS

Wind chills reached as low as -37F at Huron (station KHON), -36F at the South Dakota Road Weather Information System location near Wolsey (site SD582), and -35F near Cavour (site SD515).