Dense Fog, Fond du Lac
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Fond du Lac forecast zone
- Reported by
- ASOS
- Coordinates
- 43.754, -88.488 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, December 11 to 12, 2006
Dense fog developed over south-central and southeast Wisconsin thanks to warm air moving over a remaining snow cover. Visibilities were reduced to less than 1/4 mile, resulting in several vehicle accidents.
Where it happened
Every event with a place to put it; 20 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 20
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.
Dense fog developed over south-central and southeast Wisconsin thanks to warm air moving over a remaining snow cover. Visibilities were reduced to less than 1/4 mile, resulting in several vehicle accidents.
The radar
The national radar mosaic for the moment the first event began.
Event by event
20 dense fog. Local standard time, as filed.
Dense Fog, Sheboygan
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Sheboygan forecast zone
- Reported by
- ASOS
- Coordinates
- 43.756, -87.800 (the zone’s center; the record gives no point)
Dense Fog, Dodge
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Dodge forecast zone
- Reported by
- ASOS
- Coordinates
- 43.416, -88.707 (the zone’s center; the record gives no point)
Dense Fog, Washington
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Washington forecast zone
- Reported by
- AWOS
- Coordinates
- 43.369, -88.231 (the zone’s center; the record gives no point)
Dense Fog, Ozaukee
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Ozaukee forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.403, -87.891 (the zone’s center; the record gives no point)
Dense Fog, Iowa
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Iowa forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.001, -90.135 (the zone’s center; the record gives no point)
Dense Fog, Milwaukee
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Milwaukee forecast zone
- Reported by
- ASOS
- Coordinates
- 43.022, -87.929 (the zone’s center; the record gives no point)
Dense Fog, Lafayette
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Lafayette forecast zone
- Reported by
- Department of Highways
- Coordinates
- 42.661, -90.132 (the zone’s center; the record gives no point)
Dense Fog, Green
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Green forecast zone
- Reported by
- Department of Highways
- Coordinates
- 42.680, -89.602 (the zone’s center; the record gives no point)
Dense Fog, Walworth
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Walworth forecast zone
- Reported by
- Department of Highways
- Coordinates
- 42.669, -88.542 (the zone’s center; the record gives no point)
Dense Fog, Racine
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Racine forecast zone
- Reported by
- ASOS
- Coordinates
- 42.730, -87.812 (the zone’s center; the record gives no point)
Dense Fog, Kenosha
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Kenosha forecast zone
- Reported by
- ASOS
- Coordinates
- 42.573, -87.840 (the zone’s center; the record gives no point)
Dense Fog, Marquette
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Marquette forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.820, -89.399 (the zone’s center; the record gives no point)
Dense Fog, Green Lake
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Green Lake forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.800, -89.045 (the zone’s center; the record gives no point)
Dense Fog, Sauk
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Sauk forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.427, -89.948 (the zone’s center; the record gives no point)
Dense Fog, Columbia
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Columbia forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.467, -89.334 (the zone’s center; the record gives no point)
Dense Fog, Dane
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Dane forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.067, -89.418 (the zone’s center; the record gives no point)
Dense Fog, Jefferson
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Jefferson forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.021, -88.776 (the zone’s center; the record gives no point)
Dense Fog, Waukesha
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Waukesha forecast zone
- Reported by
- Department of Highways
- Coordinates
- 43.018, -88.304 (the zone’s center; the record gives no point)
Dense Fog, Rock
- When
- December 11, 6:00 PM CST to December 12, 9:00 PM CST
- Where
- Rock forecast zone
- Reported by
- Department of Highways
- Coordinates
- 42.671, -89.072 (the zone’s center; the record gives no point)
What these are
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- High Wind and Strong Wind in Washington, December 11 to 13, 2006
- High Wind in Oregon, December 11, 2006
- High Wind in Oregon, December 11, 2006
- Hail in Iowa, December 11, 2006
- Hail in Iowa, December 11, 2006
- Heavy Snow in Idaho, December 11 to 12, 2006
- High Wind in Montana, December 11, 2006
- Hail in Nebraska, December 11, 2006
More
Every storm in Wisconsin in 2006Every state in 2006This day in weather historyWarnings in Wisconsin, December 2006
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 2026-10-01. Each event’s entry at NCEI: 9041, 9042, 9043, 9044, 9045, 9046, 9047, 9048, 9049, 9050, 9052, 9053, 9074, 9075, 9076, 9077, 9078, 9079, 9080, 9081.