Wisconsin, 1966

Tornado and Damaging Winds in Wisconsin, May 23, 1966

May 23, 1966 · 5 events in 5 counties and zones

4 thunderstorm wind, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. 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

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The toll

Deaths
0
Injuries
3
Property damage
$250,000
Crop damage
None recorded
Events
5

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.

Event by event

4 thunderstorm wind, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Jefferson

When
May 23, 12:45 PM CST
Where
Jefferson County
Coordinates
43.000, -88.900

Tornado, Dodge

When
May 23, 1:00 PM CST
Where
Dodge County
Rating
F2
Path length
4.3 mi
Path width
50 yd
Injuries
3 direct, 0 indirect
Property damage
$250,000
Coordinates
43.200, -88.530

Thunderstorm Wind, Fond du Lac

When
May 23, 1:00 PM CST
Where
Fond du Lac County
Coordinates
43.780, -88.400

Thunderstorm Wind, Sheboygan

When
May 23, 1:00 PM CST
Where
Sheboygan County
Coordinates
43.580, -87.900

Thunderstorm Wind, Calumet

When
May 23, 1:00 PM CST
Where
Calumet County
Coordinates
44.000, -88.180

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wisconsin in 1966Every state in 1966This day in weather historyThe tornado archive for Wisconsin, 1966

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: 10148342, 10148343, 10148344, 10148345, 10148346.