After a wintry mix of precipitation on December 12 and a warmup to allow mainly rainfall on December 13, temperatures fell with a change to snow. Snow and stronger winds began earlier in the day December 14 west of the James River, with the transition to snow mainly later into the early morning hours of December 15 toward Interstate 29. With northwest winds gusting at times from 40 to 55 mph, several areas exhibited periods of blizzard conditions on the 15th and early on the 16th. The heaviest snowfall occurred from the James River Valley westward, where up to 10 to 17 inches was common.  Amounts decreased toward the south and east, with less than 3 inches in far southeast South Dakota, northeast Nebraska, and northwest Iowa.  Travel was severely impacted with Interstate 90 closed west of Mitchell, with no travel advised for most other roads from the James River Valley westward.

Winter Storm in KINGSBURY, SOUTH DAKOTA
From 14-DEC-22 19:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by later on December 14 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 45 mph at a South Dakota Road Weather Information System site 5 miles south of Arlington.  Snow accumulated to 10.2 inches at Iroquois.

Winter Storm in DAVISON, SOUTH DAKOTA
From 14-DEC-22 08:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by later on December 14 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 49 mph at Automated Surface Observing System site KMHE near Mitchell.  Snow accumulated to 6.6 inches at Mitchell.

Winter Storm in MINER, SOUTH DAKOTA
From 15-DEC-22 00:00:00 to 16-DEC-22 16:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early on December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 48 mph at a South Dakota Road Weather Information System site SD597 near Howard.  Snow accumulated to 7.9 inches at Howard.

Winter Storm in MOODY, SOUTH DAKOTA
From 15-DEC-22 06:00:00 to 16-DEC-22 16:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was briefly as low as one quarter to one-half mile, with a peak wind gust of 51 mph at South Dakota Road Weather Information System site SD577 13 miles west of Ward.  Snow accumulated to 4.0 inches 11 miles north of Colman and 3.9 inches at Flandreau (COOP site FLAS2).

Winter Storm in HANSON, SOUTH DAKOTA
From 15-DEC-22 02:00:00 to 16-DEC-22 16:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early on December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 48 mph at a South Dakota Road Weather Information System site SD502 near Alexandria.  Snow accumulated to 3.5 inches at Alexandria.

Winter Storm in MCCOOK, SOUTH DAKOTA
From 15-DEC-22 05:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early on December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 51 mph at South Dakota Road Weather Information System site SD547 near Montrose.  Snow accumulated to 7.5 inches at Bridgewater (COOP site BRGS2) and 5.6 inches at Montrose (COOP site MTRS2).

Winter Storm in HUTCHINSON, SOUTH DAKOTA
From 15-DEC-22 05:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early on December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 45 mph at South Dakota State University Mesonet site PSTS2 at Parkston.  Snow accumulated to 10.2 inches near Clayton and 5.5 inches at Menno (COOP site MNOS2).

Winter Weather in BON HOMME, SOUTH DAKOTA
From 15-DEC-22 02:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind resulted in brief visibility as low as around 1 mile near Tyndall. Wind gusted as high as 52 mph 5 miles east-southeast of Tyndall at South Dakota Road Weather Information System site SD571, with snowfall of 4.5 inches at Tyndall (COOP site TYNS2).

Blizzard in BEADLE, SOUTH DAKOTA
From 14-DEC-22 07:00:00 to 16-DEC-22 12:00:00 (CST-6)
Reported by: ASOS

Snow developed early on December 14, but winds did not increase until early on December 15.  Consistent visibility of one-quarter mile or less occurred for more than a day, with a peak wind gust reaching 55 mph at the Automated Surface Observing System site KHON in Huron, and 53 mph at the South Dakota Road Weather Information System site near Wolsey.  Snowfall totaled 17.0 inches near Wessington (COOP site WESS2) and 13.4 inches at Huron.

Winter Weather in YANKTON, SOUTH DAKOTA
From 15-DEC-22 05:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind resulted in brief visibility as low as around 1 mile at Yankton. Wind gusted as high as 46 mph at Automated Weather Observing System site KYKN, with snowfall of 3.0 inches at Yankton (COOP site YTNS2).

Winter Storm in TURNER, SOUTH DAKOTA
From 15-DEC-22 05:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early on December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was as low as one-half mile at times, with a peak wind gust of 50 mph at South Dakota Road Weather Information System site SD605 near Parker.  Snow accumulated to 7.6 inches at Marion (COOP site MARS2).

Blizzard in BRULE, SOUTH DAKOTA
From 14-DEC-22 03:30:00 to 16-DEC-22 14:00:00 (CST-6)
Reported by: AWOS

Snow developed early on December 14, but winds did not increase until early on December 15.  Consistent visibility of one-quarter mile occurred for more than a day, with a peak wind gust reaching 40 mph at the Automated Weather Observing System site K9V9 in Chamberlain, and 50 mph at the South Dakota Road Weather Information System site SD537 near Kimball.  Snowfall totaled 15.0 inches at Chamberlain, 14.0 inches near Pukwana, and 12.3 inches 7 miles south-southwest of Chamberlain.

Blizzard in JERAULD, SOUTH DAKOTA
From 14-DEC-22 07:00:00 to 16-DEC-22 11:00:00 (CST-6)
Reported by: Department of Highways

Snow developed early on December 14, but winds did not increase until early on December 15.  Consistent visibility of one-quarter mile or less occurred for more than a day, with a peak wind gust reaching 53 mph at the South Dakota Road Weather Information System site SD603 near Lane.  Snowfall totaled 9.2 inches at Wessington Springs (COOP site WSPS2).

Winter Weather in LINCOLN, SOUTH DAKOTA
From 15-DEC-22 07:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind resulted in brief visibility as low as around 1 mile at Canton. Wind gusted as high as 53 mph at South Dakota Road Weather Information System site SD519 10 miles east of Davis, with snowfall of 2.5 inches in southern Sioux Falls and 2.3 inches at Canton (COOP site CNNS2).

Winter Weather in CLAY, SOUTH DAKOTA
From 15-DEC-22 07:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind resulted in brief visibility as low as around 1 mile near Vermillion. Wind gusted as high as 43 mph at South Dakota State University site BFMS2 7 miles west-southwest of Beresford.  Snowfall totaled 2.5 inches in Vermillion (COOP site VRMS2).

Blizzard in GREGORY, SOUTH DAKOTA
From 13-DEC-22 23:00:00 to 16-DEC-22 14:00:00 (CST-6)
Reported by: COOP Observer

Snow developed very early on December 14, but winds did not increase until late on December 14.  Consistent visibility of one-quarter mile occurred for more than a day, with a peak wind gust reaching 50 mph at South Dakota Road Weather Information System sites SD602 near Dallas and SD589 near Dixon.  Snowfall totaled 16.5 inches at Gregory (COOP site GRGS2), 13.0 inches near Burke, and 9.5 inches 4 miles south-southwest of Pickstown (COOP site PCKS2).

Blizzard in AURORA, SOUTH DAKOTA
From 14-DEC-22 07:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Mesonet

Snow developed early on December 14, but winds did not increase until early on December 15.  Consistent visibility of one-quarter mile or less occurred for more than a day, with a peak wind gust reaching 49 mph at the South Dakota State University Mesonet site WTES2 near White Lake.  Snowfall totaled 6.5 inches near Stickney.

Winter Weather in UNION, SOUTH DAKOTA
From 15-DEC-22 08:00:00 to 16-DEC-22 07:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind resulted in brief visibility as low as around 1 mile near Beresford.  Wind gusted as high as 47 mph at South Dakota Road Weather Information System site SD508 3 miles south-southwest of Beresford.  Snowfall totaled 0.5 inch 5 miles north-northeast of Elk Point.

Winter Storm in SANBORN, SOUTH DAKOTA
From 14-DEC-22 14:00:00 to 16-DEC-22 17:00:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by later on December 14 resulted in areas of blowing snow and heavy accumulation. Visibility was as low as one-half mile at times, with a peak wind gust of 50 mph at a South Dakota Road Weather Information System site 3 miles east-southeast of Forestburg.  Snow accumulated to 12.5 inches at Woonsocket and 11.0 inches near Forestburg (COOP site FTBS2).

Winter Storm in BROOKINGS, SOUTH DAKOTA
From 15-DEC-22 05:00:00 to 16-DEC-22 17:30:00 (CST-6)
Reported by: COOP Observer

Snow and increased wind by early December 15 resulted in areas of blowing snow and heavy accumulation.  Visibility was briefly as low as one quarter to one-half mile, with a peak wind gust of 43 mph at Automated Weather Observing System site KBKX at Brookings. Snow accumulated to 8.0 inches at White, 6.5 inches near Astoria, and 6.2 inches at Brookings.

Blizzard in DOUGLAS, SOUTH DAKOTA
From 14-DEC-22 07:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: Department of Highways

Snow developed early on December 14, but winds did not increase until early on December 15.  Consistent visibility of one-quarter mile or less occurred for more than a day, with a peak wind gust reaching 49 mph at the South Dakota Road Weather Information System site SD601 near Corsica. Snowfall totaled 10.2 inches 10 miles west of Dimock.

Blizzard in CHARLES MIX, SOUTH DAKOTA
From 14-DEC-22 02:00:00 to 16-DEC-22 15:00:00 (CST-6)
Reported by: COOP Observer

Snow developed very early on December 14, but winds did not increase until late on December 14.  Consistent visibility of one-quarter mile occurred for more than a day, with a peak wind gust reaching 56 mph at South Dakota Road Weather Information System site SD554 13 miles west of Platte and 51 mph at the RAWS site RLAS2 near Geddes.  Snowfall totaled 14.0 inches at Platte (COOP site PLTS2) and 10.0 inches 2 miles northeast of Academy (COOP site ACYS2).

Blizzard in LAKE, SOUTH DAKOTA
From 15-DEC-22 07:00:00 to 15-DEC-22 23:30:00 (CST-6)
Reported by: AWOS

Snow and increased wind gusts developed early on December 15 and resulted in development of brief blizzard conditions with visibility of one-quarter mile or less through the afternoon and evening hours. A peak wind gust of 47 mph was reached at the Automated Weather Observing System site KMDS in Madison, where snowfall totaled 6.5 inches.

Blizzard in MINNEHAHA, SOUTH DAKOTA
From 15-DEC-22 06:00:00 to 16-DEC-22 00:00:00 (CST-6)
Reported by: ASOS

Snow and increased wind gusts developed early on December 15 and resulted in development of blizzard conditions with visibility of one-quarter mile or less during the afternoon and evening hours. A peak wind gust of 52 mph was reached at the Automated Surface Observing System site KFSD in Sioux Falls, where snowfall totaled 5.2 inches.