A very intense low pressure area moving across North Dakota brought widespread blizzard conditions to central and northeast South Dakota. The low pressure area brought 1 to 3 inches of snowfall to the region. This new snowfall combined with 30 to 50 mph winds with gusts to 60 to 70 mph brought widespread whiteout conditions. Traffic was brought to a standstill with many motorists having to be rescued and taken to shelter. Hundreds of cars were stranded on mainly Highway 12 and Interstate-29. Two people traveling on Highway 10 in McPherson county told about how they became stuck and were picked up by another vehicle and that it took them over 2 1/2 hours to travel just a few miles to safety. Interstate-29 was closed from Watetown to Sisseton from 6 pm on the 11th until noon on the 12th.  Many events were affected including the Girls State Basketball Tournament in Watertown. There were several overturned semi trucks along with several vehicle accidents across the area. Some of the highest wind gusts include, 56 mph at Watertown; 58 mph at Mobridge, Sisseton, and Faulkton; 59 mph at Aberdeen; 61 mph at Bowdle; 66 mph near Hillhead, and 71 mph west of Long Lake.

Blizzard in CODINGTON, SOUTH DAKOTA
From 11-MAR-11 19:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in HAMLIN, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Blizzard in ROBERTS, SOUTH DAKOTA
From 11-MAR-11 20:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in GRANT, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in DEUEL, SOUTH DAKOTA
From 11-MAR-11 20:00:00 to 12-MAR-11 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in WALWORTH, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blizzard in POTTER, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Blizzard in MCPHERSON, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 22:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Blizzard in EDMUNDS, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 22:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Blizzard in FAULK, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 23:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in BROWN, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 23:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Blizzard in SPINK, SOUTH DAKOTA
From 11-MAR-11 18:00:00 to 11-MAR-11 23:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in MARSHALL, SOUTH DAKOTA
From 11-MAR-11 20:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in DAY, SOUTH DAKOTA
From 11-MAR-11 19:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Blizzard in CLARK, SOUTH DAKOTA
From 11-MAR-11 20:00:00 to 12-MAR-11 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Blizzard in CAMPBELL, SOUTH DAKOTA
From 11-MAR-11 17:00:00 to 11-MAR-11 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement