Low pressure moved from the Central Plains on the 20th into the Minnesota Arrowhead on the morning of the 21st and brought another messy spring system to the region. While most of the area saw rain from this event, northern and northeastern Minnesota received mainly snow. Snowfall totals of 6 to 10 inches were recorded with higher amounts to 15 inches along the terrain ridge of the North Shore with terrain and lake enhancement as the low passed nearly overhead.

Heavy Snow in KOOCHICHING, MINNESOTA
From 20-APR-23 05:00:00 to 21-APR-23 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall totals of 6 to 8 inches were reported across the county with a high report of 9.3 inches about 10 miles east of International Falls.

Heavy Snow in NORTHERN ST. LOUIS, MINNESOTA
From 20-APR-23 04:00:00 to 21-APR-23 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Snowfall totals across the northern part of the county were in the 6 to 8 inch range for the event with a high report of 8.5 inches near Ely.

Heavy Snow in NORTHERN COOK / NORTHERN LAKE, MINNESOTA
From 20-APR-23 04:00:00 to 21-APR-23 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The highest totals across the northern portions of Lake and Cook counties was along the terrain ridge in the southern reaches of the area where some lake enhancement occurred. Totals tapered off to the north of the terrain ridge and were below 6 inches, but picked up again further north where 8.7 inches was recorded at the COOP site 25 miles east of Ely on Snowbank Lake.

Heavy Snow in NORTHERN ITASCA, MINNESOTA
From 20-APR-23 05:00:00 to 21-APR-23 08:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall totals of 6 to 8 inches were recorded across the northern part of Itasca County with a high report of 8 inches about 13 miles north of Bovey.

Heavy Snow in SOUTHERN LAKE, MINNESOTA
From 20-APR-23 02:00:00 to 21-APR-23 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall totals along the terrain ridge of southern Lake County were higher than expected due to lake enhancement. Totals of 5 to 10 inches were reported along the terrain ridge with 2 to 4 inches near Lake Superior. The highest report came from just west of Silver Bay were 15 inches was reported while Silver Bay itself only received around 5 inches showing the tight gradient along the ridge.

Heavy Snow in SOUTHERN COOK, MINNESOTA
From 20-APR-23 04:00:00 to 21-APR-23 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall totals along the terrain ridge of southern Cook County were higher than expected due to lake enhancement. Totals of 6 to 12 inches were reported across this area with a high report of 15 inches near Hovland.

Heavy Snow in SOUTHERN ST. LOUIS / CARLTON, MINNESOTA
From 20-APR-23 14:00:00 to 21-APR-23 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Snowfall totals around the southern portion of St. Louis County and Carlton County were generally in the 2 to 5 inch range. Some lake enhancement was observed on the northeast side of Duluth where around 8 inches was recorded.