December 29: Banded Snow and Mixed Precipitation Event

Overview

A fast moving winter system brought widespread snow and some mixed precipitation to portions of southeastern SD, southwestern MN, northwestern IA, and extreme northeastern NE. While snowfall accumulations only ranged from 1 to 4 inches, a concentrated band of light to moderate snow set up along a line extending from Yankton SD to Sioux Falls, SD to Marshall, MN causing hazardous driving conditions and periods of reduced visibility.

Snowfall Totals Across the Area

Photos & Video
Storm Reports

Photos & Video

Radar Composite: 5am - 11am

Light snow begins to develop south of the Missouri River and spreads northeastward

Radar Composite:11am - 5pm

The band of snow starts to narrow and intensify over portion of southeastern SD and southwestern MN.

Radar Composite: 5pm - 10pm

The band begins to push eastward then weaken as it heads into southwestern MN and northwestern IA

Storm Reports

CoCoRaHS Snowfall Reports

Observed Snowfall Across the area

Sioux	Orange City	IA	SNOW	4.2	co-op observer	corrects previous snow report from orange city. storm total snowfall.
Minnehaha	Dell Rapids	SD	SNOW	4	public	report via social media.
Lincoln	Lake Benton	MN	SNOW	4	public	report via social media.
Gregory	4 SW Burke	SD	SNOW	4	cocorahs	cocorahs station sd-gy-15 burke 4.2 sw.
Osceola	Ocheyedan	IA	SNOW	4	public	social media picture.
Lincoln	Tea	SD	SNOW	3.9	public	social media picture.
Lincoln	4 SSE Sioux Falls	SD	SNOW	3.8	public
Sioux	Hull	IA	SNOW	3.8	trained spotter	storm total snow.
Sioux	Orange City	IA	SNOW	3.8	co-op observer	storm total snowfall.
Pipestone	Edgerton	MN	SNOW	3.5	public	social media report with picture of snow depth.
Lyon	9 N Tracy	MN	SNOW	3.2	cocorahs	cocorahs station mn-ly-15 milroy 4.1 ssw.
Minnehaha	4 WSW Sioux Falls	SD	SNOW	3.2	public
Gregory	9 S Dallas	SD	SNOW	3	cocorahs	cocorahs station sd-gy-1 dallas 8.8 s.
Gregory	Bonesteel	SD	SNOW	3	cocorahs	cocorahs station sd-gy-21 bonesteel 0.1 s.
Minnehaha	1 ENE Wall Lake	SD	SNOW	3	cocorahs	cocorahs station sd-mh-8 hartford 6.4 s.
Sioux	Hull	IA	SNOW	3	public	report via social media.
Dakota	Hubbard	NE	SNOW	3	public	report via social media.
Dixon	Ponca	NE	SNOW	3	public	report via social media.
Lyon	Larchwood	IA	SNOW	3	public	social media report of 3 inches of snow. time estimated by radar.
Clay	1 W Vermillion	SD	SNOW	2.8	public	report via social media.
Douglas	10 W Dimock	SD	SNOW	2.5	cocorahs	cocorahs station sd-dg-1 dimock 10.2 w.
Minnehaha	3 NE Crooks	SD	SNOW	2.3	cocorahs	cocorahs station sd-mh-71 renner 4.1 nw.
Woodbury	Sergeant Bluff	IA	SNOW	2.2	official nws obs	official storm total at sioux city airport.
Gregory	4 SSW Pickstown	SD	SNOW	2	co-op observer	co-op observer station pcks2 pickstown 4 ssw.
Lyon	1 N Marshall	MN	SNOW	2	co-op observer	co-op observer station mmlm5 marshall.
Rock	Luverne	MN	SNOW	2	public	report via social media.
Woodbury	3 NNE Sioux City	IA	SNOW	1.9	broadcast media
Lyon	5 S Cottonwood	MN	SNOW	1.8	cocorahs	report via social media.
Douglas	Armour	SD	SNOW	1.5	emergency mngr
O'Brien	Primghar	IA	SNOW	1.3	co-op observer	co-op observer station pghi4 primghar.
Bon Homme	Tyndall	SD	SNOW	1.2	co-op observer	co-op observer station tyns2 tyndall.

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