Strong low pressure tracking across Illinois, northern Indiana, and lower MI brought a swath of accumulating, wet snow to much of southern WI. Some areas received 6-10 inches. Far eastern WI, especially near Lake MI, experienced mostly rain. There were some vehicle slide-offs and accidents over the area including 16 accidents and 14 vehicle slide-offs in western Milwaukee County. There was one indirect death related to a car accident on a slippery highway in Dodge County.

Winter Weather in COLUMBIA, WISCONSIN
From 11-DEC-20 17:00:00 to 12-DEC-20 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 3-5 inches with much less in the far northwest portion of the county.

Winter Weather in IOWA, WISCONSIN
From 11-DEC-20 16:00:00 to 12-DEC-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 3-7 inches with the highest amounts in the eastern portion of the county.

Winter Weather in LAFAYETTE, WISCONSIN
From 11-DEC-20 16:00:00 to 12-DEC-20 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 3-6 inches with the highest amounts in the northeast portion of the county.

Winter Weather in WAUKESHA, WISCONSIN
From 11-DEC-20 18:00:00 to 12-DEC-20 14:20:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 1-2 inches.  A shallow layer of slush contributed to vehicle slide-offs and accidents.

Winter Weather in ROCK, WISCONSIN
From 11-DEC-20 18:00:00 to 12-DEC-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 1-3 inches in the southeast half of the county and 3-6 inches in the northwest half of the county.

Winter Weather in WALWORTH, WISCONSIN
From 11-DEC-20 18:00:00 to 12-DEC-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 1-3 inches with the highest amounts in the far northwest portion of the county.

Winter Storm in DANE, WISCONSIN
From 11-DEC-20 16:00:00 to 12-DEC-20 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 6-11 inches with the highest amounts just west and south of Madison. Wind gusts of 20-30 mph contributed to blowing and drifting snow and reduced visibility.

Winter Storm in GREEN, WISCONSIN
From 11-DEC-20 16:00:00 to 12-DEC-20 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 5-9 inches. Wind gusts of 20-30 mph contributed to blowing and drifting snow and reduced visibility.

Winter Weather in OZAUKEE, WISCONSIN
From 11-DEC-20 22:00:00 to 12-DEC-20 14:20:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wet snow accumulation ranged from no accumulation near Lake Michigan to nearly 6 inches in the far northwest portion of the county.

Winter Weather in MILWAUKEE, WISCONSIN
From 12-DEC-20 00:00:00 to 12-DEC-20 14:20:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wet snow accumulation around 1 inch in the western portion of the county. A thin layer of slush on the highway system contributed to 16 car accidents and 14 vehicle slide-offs.

Winter Weather in SHEBOYGAN, WISCONSIN
From 11-DEC-20 19:00:00 to 12-DEC-20 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 4-7 inches over the Kettle Moraine in the far western portion of the county. Little to snow accumulation in the eastern portion of the county.

Winter Weather in WASHINGTON, WISCONSIN
From 11-DEC-20 18:30:00 to 12-DEC-20 14:20:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 3-6 inches with the highest amounts in the Kettle Moraine.

Winter Weather in FOND DU LAC, WISCONSIN
From 11-DEC-20 19:00:00 to 12-DEC-20 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 2-6 inches with the highest amounts in the Kettle Moraine.

Winter Weather in JEFFERSON, WISCONSIN
From 11-DEC-20 16:00:00 to 12-DEC-20 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wet snow accumulation of 3-6 inches with the highest amounts in the northwest portion of the county.

Winter Weather in DODGE, WISCONSIN
From 11-DEC-20 17:00:00 to 12-DEC-20 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow accumulation of 4-6 inches. One indirect death from a car accident on a slippery highway 60 in the Town of Rubicon.