Wisconsin, 2010

Lake-Effect Snow in Wisconsin, December 25 to 26, 2010

December 25 to 26, 2010 · NWS MKX · 2 events in 2 counties and zones

A persistent band of lake-effect snow set up on the afternoon of December 25th and lingered into the early, pre-dawn morning hours of December 26th. with snowfall rates reaching 2 to 3 inches per hour.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS MKX wrote it up.

A persistent band of lake-effect snow set up on the afternoon of December 25th and lingered into the early, pre-dawn morning hours of December 26th. While it fluctuated east and west during the event, locations from eastern Racine County through eastern and central Kenosha County saw nearly continuous snow...with snowfall rates reaching 2 to 3 inches per hour. Snow totals between 6 to 10 inches were recorded over eastern Racine and Kenosha counties...rapidly tapering off to an inch or less over western sections.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 lake-effect snow. Local standard time, as filed.

Lake-Effect Snow, Racine

When
December 25, 6:00 PM CST to December 26, 1:00 AM CST
Where
Racine forecast zone
Reported by
COOP Observer
Coordinates
42.730, -87.812 (the zone’s center; the record gives no point)

A persistent band of lake-effect snow brought up to 7 inches of snow to lake shore locations from the City of Racine south to the Kenosha County border. Amounts tapered quickly to around 1 inch in central sections of the county, to a trace in the west.

Lake-Effect Snow, Kenosha

When
December 25, 6:00 PM CST to December 26, 1:00 AM CST
Where
Kenosha forecast zone
Reported by
COOP Observer
Coordinates
42.573, -87.840 (the zone’s center; the record gives no point)

A persistent band of lake-effect snow brought 8 to 10 inches of snow to eastern sections of the county from the Racine County border south to the Illinois state line. Amounts tapered quickly to around 1 inch in central sections of the county, to a trace in the west. Snowfall totals of 10.3 inches were recorded at Somers and Pleasant Prairie. Christmas evening traffic was slowed on Interstate-94 and county highways due to the persistent and, at times, heavy snow with snowfall rates of 3 to 5 inches per hour.

What these are

Lake-Effect Snow
Heavy snow in bands downwind of a large lake as cold air crosses warmer water.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wisconsin in 2010Every state in 2010This day in weather historyWarnings in Wisconsin, December 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 275579, 275580.