A strong area of low pressure brought strong winds and periods of snow and heavy snow over a 4 plus day period. The bulk of the snow across central South Dakota fell between 6am on December 13th through 6am on December 14th, with more variability across northeastern South Dakota. Some of the highest snowfall totals by December 16th include 23 inches 4 miles north of Victor, 22.5 inches 2.6 miles NW of Okaton, 22 inches 14 miles NNE of Isabel and in Kennebec, 21 inches in Faulkton, 20.5 inches 7.1 miles WNW of Hecla, and 20 inches in Highmore and 8.3 miles SSW of Seneca.
The South Dakota Department of Transportation placed nearly the entire state under No Travel Advised or had road closures by Thursday December 15th, as numerous roads had become impassable. I90 closed from Chamberlain to Rapid City from 10am CST on December 13th through mid-day December 17th (from Kadoka to Chamberlain), and I29 closed from Watertown to the ND border from 7pm December 14th through 9am December 17th. Several dozens of semi drivers were stranded for consecutive days and nights at the Coffee Cup Fuel Stop in Vivian, and numerous other vehicle accidents and rescues occurred as well. Additionally, school was cancelled for multiple consecutive days at numerous locations.
The snow and heavy snow was just one component of a highly impactful, major winter storm. This storm was severe, widespread and prolonged in nature, and produced freezing rain, heavy snow and/or blizzard conditions from December 12th-16th across the region. A Major Disaster Declaration was declared on February 27th by Governor Noem for several counties across central and northeastern South Dakota for winter weather from December 12-25th.

Heavy Snow in JONES, SOUTH DAKOTA
From 13-DEC-22 00:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: COOP Observer

Six inches of snow had been recorded by 9am on the 13th in Murdo. The storm total snowfall there by 9am on the 17th was 19.2 inches.

Heavy Snow in LYMAN, SOUTH DAKOTA
From 13-DEC-22 00:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: COOP Observer

Eleven inches of snow was recorded by 6pm on the 13th one mile NNW of Kennebec. The storm total snowfall there by 3pm on the 16th was 22 inches.

Heavy Snow in STANLEY, SOUTH DAKOTA
From 13-DEC-22 03:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: COOP Observer

A foot of snow was recorded by 7am on the 14th 6 miles east of Hayes. The storm total snowfall there by 7am on the 16th was 17 inches.

Heavy Snow in POTTER, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Trained Spotter

Nine inches of snow was recorded by 7am on the 14th 9 miles SW of Seneca. Additional accumulating snow fell thereafter.

Heavy Snow in BUFFALO, SOUTH DAKOTA
From 13-DEC-22 03:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: COOP Observer

Over 11 inches of snow was recorded by 7am on the 15th 3 miles NNE of Gann Valley. The storm total snowfall there by noon on the 16th was 16.4 inches.

Heavy Snow in SULLY, SOUTH DAKOTA
From 13-DEC-22 05:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Trained Spotter

Eight inches of snow was recorded by 7am on the 14th in Onida. Additional accumulating snow fell thereafter.

Winter Weather in DEUEL, SOUTH DAKOTA
From 13-DEC-22 00:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: CoCoRaHS

Storm total snowfall of 5.7 inches was recorded 6 miles SW of Gary by the evening of the 16th.

Heavy Snow in FAULK, SOUTH DAKOTA
From 13-DEC-22 05:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: CoCoRaHS

Over 9 inches of snow was recorded by 7am on the 14th 8.3 miles SSW of Seneca. The storm total snowfall there by 6pm on the 16th was 20 inches.

Heavy Snow in CORSON, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: COOP Observer

Six inches of snow was recorded by 6pm on the 13th 14 miles NNE of Isabel. The storm total snowfall there by 6pm on the 16th was 22 inches.

Heavy Snow in WALWORTH, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Trained Spotter

Six inches of snow was recorded by 8am on the 14th 5 miles north of Hoven. Additional accumulating snow fell thereafter.

Heavy Snow in EDMUNDS, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: COOP Observer

Over 7.5 inches of snow was recorded by 7am on the 14th in Roscoe. The storm total snowfall there by 6pm on the 16th was 16.4 inches.

Heavy Snow in HUGHES, SOUTH DAKOTA
From 13-DEC-22 03:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: COOP Observer

Over 6 inches of snow was recorded by 12am on the 14th in Pierre. The storm total snowfall there by noon on the 16th was 17 inches.

Heavy Snow in MCPHERSON, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Trained Spotter

Six inches of snow was recorded by 8am on the 14th 5 miles SE of Leola. Additional accumulating snow fell thereafter.

Heavy Snow in ROBERTS, SOUTH DAKOTA
From 13-DEC-22 00:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: COOP Observer

Seven inches of snow was recorded by 10pm on the 13th in Sisseton. The storm total snowfall there by 10pm on the 16th was 17.7 inches.

Heavy Snow in DEWEY, SOUTH DAKOTA
From 13-DEC-22 05:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: Public

Ten inches of snow was recorded by the afternoon on the 14th 2 miles north of Timber Lake. The amount of snowfall in Timber Lake by the 16th was 16 inches.

Heavy Snow in HYDE, SOUTH DAKOTA
From 13-DEC-22 03:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: COOP Observer

Eight inches of snow was recorded by 6pm on the 13th one mile west of Highmore. The storm total snowfall there by the evening the 16th was 20 inches.

Heavy Snow in BROWN, SOUTH DAKOTA
From 13-DEC-22 00:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: COOP Observer

Seven inches of snow was recorded by 7am on the 14th 3 miles NW of Westport. The storm total snowfall there by 7am on the 16th was 14.0 inches.

Heavy Snow in CAMPBELL, SOUTH DAKOTA
From 13-DEC-22 06:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: COOP Observer

Eleven inches of snow was recorded by 8pm on the 14th in Pollock. The storm total snowfall there by the 3pm on the 16th was 16 inches.

Heavy Snow in HAND, SOUTH DAKOTA
From 13-DEC-22 03:00:00 to 16-DEC-22 18:00:00 (CST-6)
Reported by: COOP Observer

Eight inches of snow was recorded by 8am on the 14th 11 miles east of the Sunshine Bible Academy. Additional accumulating snowfall occurred thereafter.