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Tornado in Monroe County, Wisconsin
27 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.
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 27 tornado events in Monroe County, Wisconsin, between 1950 and 2026, spread over 21 years.
August is the busiest month, with 8 of the recorded events. The last 20 years account for 9 events against 7 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.5% of the 1,820 tornado events recorded in Wisconsin; its 3.0 per 100 square miles compares with 3.4 statewide.
By rating: 6 at (E)F0, 12 at (E)F1, 8 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
| Measure | Monroe County | Wisconsin | US |
|---|---|---|---|
| Tornado events since 1950 | 27 | 1,820 | 81,281 |
| Per 100 square miles | 3.0 | 3.4 | 2.3 |
| Per 10,000 residents | 5.8 | 3.1 | 2.4 |
| Deaths recorded | 0 | 98 | 6,410 |
| Busiest month | August | June | May |
By year
Seasonality
0Feb
0Mar
0Apr
3May
5Jun
7Jul
3Aug
8Sep
1Oct
0Nov
0Dec
0
Magnitude distribution
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 27 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 5 Jun 2026 | Tornado | EF0 | — | $5K | — | — | County |
| 25 Jun 2025 | Tornado | EF0 | — | — | — | — | County |
| 15 Jun 2022 | Tornado | EF2 | $700K | — | — | 2 | County |
| 19 May 2022 | Tornado | EF0 | $90K | — | — | — | County |
| 11 Aug 2021 | Tornado | EF1 | $40K | $9K | — | — | County |
| 11 Aug 2021 | Tornado | EF1 | $3K | $8K | — | — | County |
| 27 Aug 2018 | Tornado | EF1 | $25K | — | — | — | County |
| 22 May 2011 | Tornado | EF2 | $510K | — | — | — | County |
| 22 May 2011 | Tornado | EF1 | $915K | — | — | 1 | County |
| 18 Aug 2005 | Tornado | F1 | $41K | $10K | — | — | County |
| 23 Jun 2004 | Tornado | F1 | $75K | — | — | 3 | County |
| 7 Sep 2001 | Tornado | F0 | $20K | — | — | 1 | County |
| 9 Jul 2000 | Tornado | F1 | $50K | $15K | — | — | County |
| 1 Jun 2000 | Tornado | F1 | $100K | $15K | — | — | County |
| 24 Apr 1994 | Tornado | F1 | $50K | $5K | — | — | County |
| 8 May 1988 | Tornado | F2 | $250K | — | — | — | County |
| 26 Jun 1986 | Tornado | F2 | $250K | — | — | — | County |
| 12 Aug 1985 | Tornado | F2 | $2.5M | — | — | — | County |
| 10 May 1979 | Tornado | F2 | $25K | — | — | — | County |
| 30 Aug 1974 | Tornado | F0 | $3K | — | — | — | County |
| 14 Jun 1974 | Tornado | F1 | $3K | — | — | — | County |
| 18 Jul 1971 | Tornado | F2 | $250K | — | — | — | County |
| 6 Aug 1968 | Tornado | F0 | — | — | — | — | County |
| 15 Jul 1965 | Tornado | F1 | — | — | — | — | County |
| 11 Apr 1965 | Tornado | F1 | $25K | — | — | — | County |
| 28 Aug 1960 | Tornado | F2 | $25K | — | — | — | County |
| 19 Apr 1957 | Tornado | F3 | $250K | — | — | — | County |
Questions and answers
How many tornado events has Monroe County had?
27 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 Monroe County?
5 Jun 2026 (Tornado, EF0). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in Monroe County?
The tornado of 12 Aug 1985, with property damage estimated by NCEI at $2.5M.
How does Monroe County compare with Wisconsin for tornado?
3.0 events per 100 square miles against 3.4 statewide; the county holds 27 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.