A disturbance rotating around a large Canadian upper vortex brought a period of enhanced frontogenetic forcing through the Missouri River valley and eastward across northwest Iowa and far southern Minnesota.  Snowfall averaged from 2 to 5 inches.

Winter Weather in MINNEHAHA, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in TURNER, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in BRULE, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in DOUGLAS, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in DAVISON, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in HANSON, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in HUTCHINSON, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in BON HOMME, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in LINCOLN, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in YANKTON, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in CLAY, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in UNION, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in MCCOOK, SOUTH DAKOTA
From 05-FEB-18 06:00:00 to 05-FEB-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher amounts were measured at Canton and Yankton (4.0 inches), Bridgewater (3.0 inches), near Vermillion (3.5 inches), and near Sioux Falls and Marion (2.5 inches).

Winter Weather in GREGORY, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in CHARLES MIX, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).

Winter Weather in AURORA, SOUTH DAKOTA
From 05-FEB-18 04:00:00 to 05-FEB-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Light to moderate snow over a period of several hours brought from 2 to 5 inches of snowfall across portions of southeast South Dakota south of Interstate 90. Higher totals were measured near Bonesteel (4.4 inches), Tyndall (3.7 inches), Gregory (3.5 inches), Menno (3.0 inches), Platte (2.5 inches), near Chamberlain (1.9 inches) and White Lake (1.5 inches).