Wisconsin, 2000

Dense Fog in Wisconsin, August 24, 2000

August 24, 2000 · NWS MKX · 13 events in 13 counties and zones

The combination of weak high pressure, light winds, mostly clear skies, and leftover low level moisture allowed for the formation fo dense fog across south-central and southeast Wisconsin. This was the 2nd consequitive overnighth period that had dense fog.

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.

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  • Cold
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  • Marine and coastal
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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.

The combination of weak high pressure, light winds, mostly clear skies, and leftover low level moisture allowed for the formation fo dense fog across south-central and southeast Wisconsin. This was the 2nd consequitive overnighth period that had dense fog. Visibilities lowered to 1/4 mile or less in most areas. Numerous vehicle accidents were noted in area newspaper. Several flights were delayed at both Madison's Truax Field and Milwaukee's Mitchell Field.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

13 dense fog. Local standard time, as filed.

Dense Fog, Marquette

When
August 24, 12:00 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, Green Lake

When
August 24, 12:00 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, Sauk

When
August 24, 12:00 AM CST to 7:00 AM CST
Where
Sauk forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.427, -89.948 (the zone’s center; the record gives no point)

Dense Fog, Columbia

When
August 24, 12:00 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
August 24, 12:00 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, Iowa

When
August 24, 12:00 AM CST to 7:00 AM CST
Where
Iowa forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.001, -90.135 (the zone’s center; the record gives no point)

Dense Fog, Dane

When
August 24, 12:00 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
August 24, 12:00 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, Waukesha

When
August 24, 12:00 AM CST to 7:00 AM CST
Where
Waukesha forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
43.018, -88.304 (the zone’s center; the record gives no point)

Dense Fog, Lafayette

When
August 24, 12:00 AM CST to 7:00 AM CST
Where
Lafayette forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.661, -90.132 (the zone’s center; the record gives no point)

Dense Fog, Green

When
August 24, 12:00 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
August 24, 12:00 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, Walworth

When
August 24, 12:00 AM CST to 7:00 AM CST
Where
Walworth forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.669, -88.542 (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

More

Every storm in Wisconsin in 2000Every state in 2000This day in weather historyWarnings in Wisconsin, August 2000

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 2026-09-24. Each event’s entry at NCEI: 5173161, 5173162, 5173163, 5173164, 5173165, 5173166, 5173167, 5173168, 5173169, 5173170, 5173171, 5173172, 5173173.