Wisconsin, 1979

Tornadoes and Damaging Winds in Wisconsin, August 9, 1979

August 9, 1979 · 16 events in 10 counties and zones

14 tornado, 2 thunderstorm wind, 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

Open the live radar over this ground

The toll

Deaths
1
Injuries
0
Property damage
$800,000
Crop damage
None recorded
Events
16

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

14 tornado, 2 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Sheboygan

When
August 9, 7:00 AM CST
Where
Sheboygan County
Coordinates
43.750, -87.720

Tornado, Sauk

When
August 9, 4:30 PM CST
Where
Sauk County
Rating
F0
Path width
33 yd
Coordinates
43.630, -89.650

Tornado, Marquette

When
August 9, 4:30 PM CST
Where
Marquette County
Rating
F0
Path width
33 yd
Coordinates
43.650, -89.580

Tornado, Marquette

When
August 9, 4:55 PM CST
Where
Marquette County
Rating
F0
Path width
33 yd
Coordinates
43.880, -89.480

Thunderstorm Wind, Marquette

When
August 9, 4:55 PM CST
Where
Marquette County
Measured
65 kt (75 mph)
Coordinates
43.880, -89.480

Tornado, Fond du Lac

When
August 9, 5:20 PM CST
Where
Fond du Lac County
Rating
F0
Path width
33 yd
Coordinates
43.830, -90.400

Tornado, Vernon

When
August 9, 5:30 PM CST
Where
Vernon County
Rating
F2
Path width
50 yd
Property damage
$250,000
Coordinates
43.650, -90.370

Tornado, Juneau

When
August 9, 5:36 PM CST
Where
Juneau County
Rating
F2
Path length
2.7 mi
Path width
50 yd
Property damage
$250,000
Coordinates
43.650, -90.320

Tornado, Calumet

When
August 9, 6:20 PM CST
Where
Calumet County
Rating
F2
Path width
33 yd
Deaths
1 direct, 0 indirect
Property damage
$25,000
Coordinates
44.070, -88.300

Tornado, Brown

When
August 9, 6:56 PM CST
Where
Brown County
Rating
F1
Path width
33 yd
Property damage
$250,000
Coordinates
44.530, -87.980

Tornado, Dodge

When
August 9, 7:05 PM CST
Where
Dodge County
Rating
F0
Path width
33 yd
Coordinates
43.630, -88.700

Tornado, Dodge

When
August 9, 7:15 PM CST
Where
Dodge County
Rating
F0
Path width
33 yd
Coordinates
43.630, -88.680

Tornado, Dodge

When
August 9, 7:20 PM CST
Where
Dodge County
Rating
F0
Path width
33 yd
Coordinates
43.500, -88.830

Tornado, Dodge

When
August 9, 7:50 PM CST
Where
Dodge County
Rating
F0
Path width
33 yd
Coordinates
43.320, -88.720

Tornado, Dodge

When
August 9, 7:52 PM CST
Where
Dodge County
Rating
F0
Path width
33 yd
Coordinates
43.350, -88.600

Tornado, Jefferson

When
August 9, 9:09 PM CST
Where
Jefferson County
Rating
F1
Path width
33 yd
Property damage
$25,000
Coordinates
43.170, -88.680

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Tornado, Calumet1979-08-09Direct

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 1979Every state in 1979This day in weather historyThe tornado archive for Wisconsin, 1979

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: 10146937, 10146938, 10146939, 10146940, 10146941, 10146942, 10146943, 10146944, 10146945, 10146946, 10146947, 10146948, 10146949, 10146950, 10146951, 10146952.