With shallow cold air in place, warm advection associated with a weak wave of low pressure moving northeast from Kansas to Wisconsin produced a shield of light precipitation across southeast South Dakota. A couple periods of snowfall occurred over the two days, with briefly heavier snowfall later on February 19th and into the early morning of February 20 contributing to 2 to 5 inches accumulation.

Winter Weather in HANSON, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in MINER, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in MOODY, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in AURORA, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in DAVISON, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in MCCOOK, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in DOUGLAS, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in HUTCHINSON, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in YANKTON, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in BON HOMME, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in BROOKINGS, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in KINGSBURY, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in CHARLES MIX, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in GREGORY, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in JERAULD, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in SANBORN, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in LAKE, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in BRULE, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.

Winter Weather in BEADLE, SOUTH DAKOTA
From 19-FEB-18 10:00:00 to 20-FEB-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Periods of snowfall resulted in accumulations of 5.1 inches 7 miles south-southwest of Chamberlain, 5.0 inches 2 miles southeast of Wessington, 4.5 inches 5 miles south of Chamberlain, 4.0 inches at Menno, 3.1 inches 5 miles northeast of Salem and Tyndall, 3.0 inches at Brookings, White, 4 miles north-northeast of Forestburg, Wessington Springs and Bridgewater, 2.9 inches at White Lake and 2.8 inches at De Smet, 2 miles southeast of Madison and near Bonesteel.