County Hazards

States › Wisconsin › Sheboygan County › Tornado

Tornado in Sheboygan County, Wisconsin

10 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.

10 events · 1 deaths recorded · peak month July · county share of state 0.5%

2018-08-28: Tornado2018-08-28: Tornado2010-07-18: Tornado2008-07-16: Tornado1996-07-18: Tornado1987-07-26: Tornado1981-08-29: Tornado1974-04-21: Tornado1973-07-30: Tornado1966-08-08: Tornado
Tornado event locations in and around Sheboygan County. Dots: Tornado event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

NCEI records 10 tornado events in Sheboygan County, Wisconsin, between 1950 and 2026, spread over 9 years.

July is the busiest month, with 5 of the recorded events. The last 20 years account for 4 events against 2 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.5% of the 1,820 tornado events recorded in Wisconsin; its 2.0 per 100 square miles compares with 3.4 statewide.

NCEI attributes 1 death in the county to tornadoes.

By rating: 3 at (E)F0, 6 at (E)F1, 0 at (E)F2, 1 at (E)F3, 0 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.

Compared with Wisconsin

MeasureSheboygan CountyWisconsinUS
Tornado events since 1950101,82081,281
Per 100 square miles2.03.42.3
Per 10,000 residents0.83.12.4
Deaths recorded1986,410
Busiest monthJulyJuneMay

By year

195019882026
Tornado events recorded in Sheboygan County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
0
Apr
1
May
0
Jun
0
Jul
5
Aug
4
Sep
0
Oct
0
Nov
0
Dec
0
Tornado events in Sheboygan County by month of occurrence, all years.

Magnitude distribution

EF0/F03
EF1/F16
EF2/F20
EF3/F31
EF4/F40
EF5/F50
Unrated0
Enhanced Fujita scale wind estimates
EF0/F0
65–85 mph (EF0)
EF1/F1
86–110 mph (EF1)
EF2/F2
111–135 mph (EF2)
EF3/F3
136–165 mph (EF3)
EF4/F4
166–200 mph (EF4)
EF5/F5
over 200 mph (EF5)
Unrated
no rating recorded

Tornado rating as recorded (Fujita scale before February 2007, Enhanced Fujita after).

Recorded events

All 10 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
28 Aug 2018TornadoEF1————County
28 Aug 2018TornadoEF0————County
18 Jul 2010TornadoEF0$5K———County
16 Jul 2008TornadoEF1$350K$1K——County
18 Jul 1996TornadoF1$250K$200——County
26 Jul 1987TornadoF1$250K———County
29 Aug 1981TornadoF0$3K———County
21 Apr 1974TornadoF3$2.5M—17County
30 Jul 1973TornadoF1$25K———County
8 Aug 1966TornadoF1$250K——1County

Questions and answers

How many tornado events has Sheboygan County had?

10 events in the NCEI Storm Events record between 1950 and 2026. Reporting of tornadoes became far more complete after 1996, so early decades undercount.

When was the last recorded tornado event in Sheboygan County?

28 Aug 2018 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.

What was the most damaging tornado event recorded in Sheboygan County?

The tornado of 21 Apr 1974, with property damage estimated by NCEI at $2.5M; 1 death recorded.

How does Sheboygan County compare with Wisconsin for tornado?

2.0 events per 100 square miles against 3.4 statewide; the county holds 10 of the state's 1,820 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Tornado hub and the county page.