A surface low pressure tracked from South Dakota through Iowa across southern Illinois. Warm air advection ahead of the low led to a prolonged 15 to 18 hour snow event. Snow totals ranged from 4 to 6 inches southwest of a Wisconsin Dells to Madison to Delavan line...tapering to 3 to 5 inches southwest of a Green Lake to Mequon line.  This snow event was the first widespread event to affect south-central and southeast Wisconsin during the 2010-11 winter season.

Winter Weather in DODGE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon was around 3 inches. A total of 3 inches was recorded at Beaver Dam.

Winter Weather in MILWAUKEE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: Official NWS Observations

Total snowfall from Friday evening through Saturday afternoon ranged from 2 to 4 inches. A total of 3.6 inches was recorded at General Mitchell International Airport in Milwaukee.

Winter Weather in JEFFERSON, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 3 to 4 inches of snow. A total of 4 inches was recorded at the National Weather Service office 3 miles southeast of the town of Sullivan.

Winter Weather in WALWORTH, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon was around 3 inches. A total of 3.2 inches was recorded at Whitewater.

Winter Weather in MARQUETTE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon was 3 to 4 inches. A total of 3.5 inches was recorded at Oxford.

Winter Weather in GREEN LAKE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon was 3 to 4 inches. A total of 3.5 inches was recorded 2 miles south of Green Lake.

Winter Weather in SAUK, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 4 to 5 inches of snow. A 5.4 inch amount was recorded at Reedsburg.

Winter Weather in WAUKESHA, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 2 to 3 inches. A total of 3 inches was recorded at Merton.

Winter Weather in RACINE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 2 to 3 inches. A total of 3.3 inches was recorded at Caledonia.

Winter Weather in KENOSHA, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 2 to 3 inches. A total of 3 inches was recorded at Kenosha.

Winter Weather in DANE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 3 to 5 inches of snow. A 4.9 inch amount was recorded at Mount Horeb.

Winter Weather in COLUMBIA, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 3 to 5 inches of snow. A 4.5 inch amount was recorded at Poynette.

Winter Weather in GREEN, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 4 to 6 inches of snow. Snow totals of 6 inches were recorded at Monroe and New Glarus.

Winter Weather in ROCK, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 3 to 4 inches of snow. A total of 4 inches was recorded at Orfordville.

Winter Weather in LAFAYETTE, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 6 to 6.5 inches of snow. The 6.5 inch amount was recorded at Belmont.

Winter Weather in IOWA, WISCONSIN
From 03-DEC-10 18:00:00 to 04-DEC-10 16:30:00 (CST-6)
Reported by: COOP Observer

Total snowfall from Friday evening through Saturday afternoon ranged from 4 to 6 inches of snow. The 6 inch amount was recorded at Mineral Point.