Fog develop across western and central Wisconsin and reduced the visibility to less than mile for an extended period starting on the 29th and continuing through much of the 31st. During this period, an extended period of dense fog with visibilities of a quarter mile or less occurred. Some freezing drizzle also occurred during the evening of 31st, creating a glaze of ice on area roads that resulted in several accidents in and around La Crosse (La Crosse County).  Ten people were transported to area hospitals, but none of the injuries were considered to be life-threatening. The weight of all the accumulated snow that fell during the month of December, caused the roof a building to collapse in West Salem (La Crosse County) on the 31st. The building was later declared a total loss and will be razed.

Dense Fog in VERNON, WISCONSIN
From 29-DEC-10 16:30:00 to 31-DEC-10 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather observing equipment at the Viroqua airport reported less than a mile of visibility in fog from the afternoon of the 29th into the evening of the 31st. During this period, the visibility was reduced to a quarter of a mile or less from the early morning into the evening of the 30th and again from the early afternoon into the evening of the 31st.

Winter Weather in TAYLOR, WISCONSIN
From 29-DEC-10 22:00:00 to 31-DEC-10 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief period of freezing drizzle during the evening of the 31st created a glaze of ice on exposed surfaces. Also, the automated weather observing equipment at the Medford airport reported a visibility in fog of less than a mile from the evening of the 29th into the evening of the 31st.

Winter Weather in JACKSON, WISCONSIN
From 29-DEC-10 21:00:00 to 31-DEC-10 21:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief period of freezing drizzle during the evening of the 31st created a glaze of ice on exposed surfaces. Also, the visibility in fog was reduced to less than a mile from the evening of the 29th into the evening of the 31st.

Winter Weather in LA CROSSE, WISCONSIN
From 29-DEC-10 15:00:00 to 31-DEC-10 18:30:00 (CST-6)
Property damage: 280.00K
Crop damage: 0.00K
Reported by: Newspaper

Several accidents occurred during the evening of the 31st as a short period of freezing drizzle created a glaze of ice on roads and exposed surfaces. At least 15 accidents occurred with 10 people taken to area hospitals with non-life threatening injuries. The La Crosse police department closed the Cass Street bridge over the Mississippi river for about an hour. Also, the visibility was reduced to less than a mile from the afternoon of the 29th into the evening of the 31st. In addition, the weight of all the snow that fell during December, caused the roof of a building to collapse in West Salem. The building was later declared a total loss and will be razed.

Winter Weather in TREMPEALEAU, WISCONSIN
From 29-DEC-10 16:00:00 to 31-DEC-10 20:30:00 (CST-6)
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A short period of freezing drizzle occurred during the evening of the 31st and created a light glaze of ice on exposed surfaces. The icy conditions resulted in about two dozen accidents across the county, with no injuries reported. State Highway 93 south of Arcadia was closed for a short time. Also, the visibility in fog was reduced to less than a mile from the afternoon of the 29th into the evening of the 31st.

Dense Fog in CRAWFORD, WISCONSIN
From 29-DEC-10 16:00:00 to 31-DEC-10 18:45:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than a mile from the afternoon of the 29th into the evening of the 31st. During this period, the visibility was reduced to a quarter of a mile or less from the early morning into the evening of the 30th and again from the early afternoon into the evening of the 31st.

Dense Fog in JUNEAU, WISCONSIN
From 30-DEC-10 07:00:00 to 31-DEC-10 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than a mile from the early morning of the 30th into the evening of the 31st.

Dense Fog in RICHLAND, WISCONSIN
From 29-DEC-10 16:00:00 to 31-DEC-10 18:45:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than a mile from the late afternoon of the 29th into the evening of the 31st. During this period, the visibility was reduced to a quarter of a mile or less from the early morning into the evening of the 30th and again from the early afternoon into the evening of the 31st.

Dense Fog in ADAMS, WISCONSIN
From 30-DEC-10 08:00:00 to 31-DEC-10 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than mile from the morning of the 30th into the evening of the 31st.

Winter Weather in BUFFALO, WISCONSIN
From 29-DEC-10 16:00:00 to 31-DEC-10 19:30:00 (CST-6)
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A short period of freezing drizzle occurred during the evening of the 31st and created a light glaze of ice on exposed surfaces. Around five accidents occurred with no injuries reported. Also, the visibility in fog was reduced to less than a mile from the afternoon of the 29th into the evening of the 31st.

Dense Fog in CLARK, WISCONSIN
From 29-DEC-10 22:00:00 to 31-DEC-10 21:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

The visibility in fog was reduced to less than a mile from the evening of the 29th into the evening of the 31st. During this period, the visibility was reduced to a quarter of a mile or less for a while during the evening of the 30th.

Winter Weather in MONROE, WISCONSIN
From 29-DEC-10 18:00:00 to 31-DEC-10 19:00:00 (CST-6)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief period of freezing drizzle during the evening of the 31st created a glaze of ice on exposed surfaces. A few car accidents occurred with no injuries reported. Also, the automated weather observing equipment at the Sparta airport reported a visibility in fog of less than a mile from the evening of the 29th into the evening of the 31st.

Winter Weather in GRANT, WISCONSIN
From 29-DEC-10 16:00:00 to 31-DEC-10 19:30:00 (CST-6)
Property damage: 5.00K
Crop damage: 0.00K
Reported by: AWOS

Freezing drizzle, during the late afternoon and evening of the 31st, created a coating of ice on area roads that lead to at least two accidents on U.S. Highway 151 north of Dickeyville. No injuries occurred in either accident. The automated weather observing equipment at the Platteville airport reported a mile or less visibility in fog from the afternoon of the 29th into the evening of the 31st. During this period, the visibility was reduced to a quarter of a mile or less from the early morning into the late evening of the 30th and again from the afternoon into the evening of the 31st.