New snowfall of 1 to 4 inches combined with deep existing snow  cover and strong northwest winds to produce blowing and drifting snow. The snow began on Saturday February 13th, while the strong winds and blowing snow were observed on Sunday February 14th into the morning of February 15th. The blowing and drifting snow and resulting accidents closed parts of Interstates 90 and 29 for a period, and several accidents were reported on other roads as well.

Winter Weather in CLAY, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 08:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in LAKE, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in TURNER, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in MOODY, SOUTH DAKOTA
From 13-FEB-10 03:00:00 to 15-FEB-10 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in MINNEHAHA, SOUTH DAKOTA
From 13-FEB-10 03:00:00 to 15-FEB-10 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in numerous accidents, which continued after the snow had ended and visibilities had improved. Many of the accidents were reported on Interstates 90 and 29, especially near Sioux Falls.

Winter Weather in UNION, SOUTH DAKOTA
From 13-FEB-10 03:00:00 to 15-FEB-10 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in numerous accidents, which continued after the snow had ended and visibilities had improved. Many of the accidents were reported on Interstate 29.

Winter Weather in YANKTON, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in BROOKINGS, SOUTH DAKOTA
From 13-FEB-10 03:00:00 to 15-FEB-10 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in DOUGLAS, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in JERAULD, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in MCCOOK, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in HUTCHINSON, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in BEADLE, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in SANBORN, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in BRULE, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 2 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in DAVISON, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 1 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in numerous accidents, which continued after the snow had ended and visibilities had improved. Most of the reported accidents were on Interstate 90.

Winter Weather in AURORA, SOUTH DAKOTA
From 13-FEB-10 00:00:00 to 15-FEB-10 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 2 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in HANSON, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 2 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in numerous accidents, which continued after the snow had ended and visibilities had improved. Most of the reported accidents were on Interstate 90. A sheriff's deputy investigating an accident had his vehicle, with him inside, slammed into at 45 mph, but no one was injured in the accident.

Winter Weather in KINGSBURY, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

New snowfall of 2 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in BON HOMME, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 1 to 2 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.

Winter Weather in LINCOLN, SOUTH DAKOTA
From 13-FEB-10 03:00:00 to 15-FEB-10 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

New snowfall of 2 to 4 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in numerous accidents, which continued after the snow had ended and visibilities had improved. Many of the accidents were reported on Interstate 29.

Winter Weather in MINER, SOUTH DAKOTA
From 13-FEB-10 02:00:00 to 15-FEB-10 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

New snowfall of 2 to 3 inches, beginning early on February 13th, and existing deep snow cover, combined with strong northwest winds which developed on February 14th, to produce blowing and drifting snow which reduced visibilities in some areas. The developing slick roads resulted in several accidents, which continued after the snow had ended and visibilities had improved.