A long-duration winter storm developed across southwest Minnesota on February 21, with waves of heavier snowfall across the region as winds increased to a gusty 30 to 50 mph. Blizzard conditions developed during the afternoon of February 22, with strong winds lingering into the midday hours of February 23. During the event, widespread blowing and drifting snowfall led to the closure of Interstate 90, as well as Interstate 29 north of Sioux Falls. Roads were closed and travel was not recommended in numerous counties, with schools and county/state offices closed due to the hazardous conditions. Total snowfall varied 10 to 18 inches, with locally as much as 22 inches around Tracy.

Blizzard in COTTONWOOD, MINNESOTA
From 21-FEB-23 11:00:00 to 23-FEB-23 12:00:00 (CST-6)
Reported by: COOP Observer

Over the two-day period, snowfall accumulated to 13.9 inches at Windom.  Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 39 mph near Jeffers and Mountain Lake, and 37 mph at Windom.

Blizzard in LYON, MINNESOTA
From 21-FEB-23 11:00:00 to 23-FEB-23 12:00:00 (CST-6)
Reported by: COOP Observer

Over the two-day period, snowfall accumulated to 22.0 inches at Tracy, 18.0 inches at Minneota, and 15.0 inches at Marshall. Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 45 mph at Tracy, Taunton, and near Lake Benton, and 41 mph at Marshall.

Blizzard in ROCK, MINNESOTA
From 21-FEB-23 10:00:00 to 23-FEB-23 09:00:00 (CST-6)
Reported by: AWOS

Over the two-day period, snowfall accumulated to 10.5 inches at Hills.  Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 40 mph near Magnolia and 39 mph at Luverne.

Blizzard in NOBLES, MINNESOTA
From 21-FEB-23 10:00:00 to 23-FEB-23 11:00:00 (CST-6)
Reported by: AWOS

Over the two-day period, snowfall accumulated to 15.5 inches at Worthington.  Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 46 mph near Rushmore and 41 mph at Worthington.

Blizzard in JACKSON, MINNESOTA
From 21-FEB-23 10:00:00 to 23-FEB-23 12:00:00 (CST-6)
Reported by: AWOS

Over the two-day period, snowfall accumulated to 10.9 inches near Lakefield.  Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 38 mph near Lakefield and 35 mph at Jackson.

Blizzard in MURRAY, MINNESOTA
From 21-FEB-23 11:00:00 to 23-FEB-23 12:00:00 (CST-6)
Reported by: COOP Observer

Over the two-day period, snowfall accumulated to 16.5 inches at Slayton and 14.0 inches at Lake Wilson. Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 41 mph at Slayton and 40 mph near Dovray.

Blizzard in PIPESTONE, MINNESOTA
From 21-FEB-23 10:00:00 to 23-FEB-23 11:00:00 (CST-6)
Reported by: CoCoRaHS

Over the two-day period, snowfall accumulated to 15.0 inches at Edgerton. Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 48 mph near Trosky and 39 mph at Pipestone.

Blizzard in LINCOLN, MINNESOTA
From 21-FEB-23 11:00:00 to 23-FEB-23 11:00:00 (CST-6)
Reported by: Department of Highways

Over the two-day period, snowfall accumulated to 13.0 inches 8 miles southeast of Hendricks.  Whiteout conditions became widespread, especially in rural areas, due to winds which peaked at 44 mph near Lake Benton and 38 mph near Hendricks.