A large upper level low pressure trough from the southwest United States brought a couple rounds of snow to the region. The snow began in the morning hours of the 26th from midnight to noon and ended in the morning hours of the 28th. There was also mixed precipitation including freezing drizzle with the first wave.  Heavy snowfall amounts ranged from 6 to 13 inches. Northwest winds increased to 25 to 40 mph in the morning and afternoon with gusts to over 50 mph on the 27th resulting in widespread blizzard conditions across much of the region, ending in the morning hours of the 28th.
Travel was greatly affected or completely halted with no travel advised across much of the region. Many reports of vehicles becoming stuck or ending up in the ditch occurred. There were also many activities and events postponed or cancelled along with many businesses closed. Some snowfall amounts include, 6 inches at Mobridge and Timber Lake; 7 inches at Roscoe, Pollock, Clear Lake, Gettysburg, and Columbia; 8 inches at Webster, Milbank, and Aberdeen; 9 inches at Clark; 10 inches at Watertown and Wilmot; 11 inches at Britton and Leola; 13 inches at Sisseton, Castlewood, and Milbank.

Blizzard in STANLEY, SOUTH DAKOTA
From 27-DEC-18 14:00:00 to 28-DEC-18 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in JONES, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in CAMPBELL, SOUTH DAKOTA
From 27-DEC-18 15:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in WALWORTH, SOUTH DAKOTA
From 27-DEC-18 15:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in POTTER, SOUTH DAKOTA
From 27-DEC-18 15:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Blizzard in SULLY, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in HUGHES, SOUTH DAKOTA
From 27-DEC-18 15:15:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Blizzard in LYMAN, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in MCPHERSON, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in EDMUNDS, SOUTH DAKOTA
From 27-DEC-18 09:00:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Blizzard in FAULK, SOUTH DAKOTA
From 27-DEC-18 16:36:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in HYDE, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in HAND, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Blizzard in BUFFALO, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in BROWN, SOUTH DAKOTA
From 27-DEC-18 10:00:00 to 28-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in SPINK, SOUTH DAKOTA
From 27-DEC-18 11:30:00 to 28-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in MARSHALL, SOUTH DAKOTA
From 27-DEC-18 14:30:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in DAY, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in CLARK, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in CODINGTON, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in HAMLIN, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in ROBERTS, SOUTH DAKOTA
From 27-DEC-18 19:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in GRANT, SOUTH DAKOTA
From 27-DEC-18 12:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in DEUEL, SOUTH DAKOTA
From 27-DEC-18 19:00:00 to 28-DEC-18 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Blizzard in DEWEY, SOUTH DAKOTA
From 27-DEC-18 15:00:00 to 28-DEC-18 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways