Dense Fog, Marquette
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Marquette forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.820, -89.399 (the zone’s center; the record gives no point)
Dense Fog in Wisconsin, September 23, 2006
Dense fog developed overnight across parts of south-central and southeast Wisconsin, thanks to clear skies, light winds, and a very moist ground due rain the previous day. Visibilities were reduced to zero to 1/4 mile.
Where it happened
Every event with a place to put it; 13 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
- 13
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 overnight across parts of south-central and southeast Wisconsin, thanks to clear skies, light winds, and a very moist ground due rain the previous day. Visibilities were reduced to zero to 1/4 mile. Several airplane flights were delayed or cancelled at airports. Important note: although the time listed for Milwaukee County for this dense fog event was 0100-0700CST, in reality the dense fog affected Milwaukee County between 0400 and 0700CST.
The radar
The national radar mosaic for the moment the first event began.
Event by event
13 dense fog. Local standard time, as filed.
Dense Fog, Green Lake
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Green Lake forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.800, -89.045 (the zone’s center; the record gives no point)
Dense Fog, Fond du Lac
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Fond du Lac forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.754, -88.488 (the zone’s center; the record gives no point)
Dense Fog, Sheboygan
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Sheboygan forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.756, -87.800 (the zone’s center; the record gives no point)
Dense Fog, Columbia
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Columbia forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.467, -89.334 (the zone’s center; the record gives no point)
Dense Fog, Dodge
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Dodge forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.416, -88.707 (the zone’s center; the record gives no point)
Dense Fog, Washington
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Washington forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.369, -88.231 (the zone’s center; the record gives no point)
Dense Fog, Ozaukee
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Ozaukee forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.403, -87.891 (the zone’s center; the record gives no point)
Dense Fog, Dane
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Dane forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.067, -89.418 (the zone’s center; the record gives no point)
Dense Fog, Jefferson
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Jefferson forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.021, -88.776 (the zone’s center; the record gives no point)
Dense Fog, Green
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Green forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.680, -89.602 (the zone’s center; the record gives no point)
Dense Fog, Rock
- When
- September 23, 1:00 AM CST to 7:00 AM CST
- Where
- Rock forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.671, -89.072 (the zone’s center; the record gives no point)
Dense Fog, Milwaukee
- When
- September 23, 4:00 AM CST to 7:00 AM CST
- Where
- Milwaukee forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 43.022, -87.929 (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
- Flash Flood in Arkansas, September 23, 2006
- Flash Flood in Arkansas, September 23, 2006
- Flood in Missouri, September 23 to 24, 2006
- Flash Flood in Missouri, September 23, 2006
- Flash Flood in Kentucky, September 23, 2006
- Hail and Damaging Winds in Tennessee, September 23, 2006
- Flash Flood in Missouri, September 23, 2006
- Hail and Damaging Wind in Texas, September 23, 2006
- Tornadoes and Damaging Winds in Michigan, September 23, 2006
- Damaging Wind in Kentucky, September 23, 2006
- Tornado in Kentucky, September 23, 2006
- Flash Flood in Missouri, September 23, 2006
More
Every storm in Wisconsin in 2006Every state in 2006This day in weather historyWarnings in Wisconsin, September 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: 5530569, 5530570, 5530571, 5530572, 5530573, 5530574, 5530575, 5530576, 5530577, 5530578, 5530579, 5530580, 5530581.