1,460
Recorded events
66
Counties affected
10
Direct deaths
$273.2M
Property damage
Wisconsin flood history: 1,460 recorded events across 66 counties between 1996 and 2026.
Decade by decade
Wisconsin flood history by decade
The 2010s are the busiest decade on record with 735 reported flood events across Wisconsin. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most flood events in Wisconsin
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Vernon County | 108 | 2 | $25.1M | 2000–2024 |
| #2 | Crawford County | 81 | 0 | $20.4M | 2007–2024 |
| #3 | Trempealeau County | 78 | 0 | $7.1M | 2009–2026 |
| #4 | Grant County | 65 | 0 | $3.2M | 1998–2026 |
| #5 | La Crosse County | 64 | 0 | $4.2M | 1998–2025 |
| #6 | Jackson County | 63 | 0 | $4.3M | 2008–2026 |
| #7 | Rock County | 58 | 0 | $145K | 1998–2026 |
| #8 | Columbia County | 43 | 0 | $1.5M | 1997–2026 |
| #9 | Juneau County | 39 | 0 | $7.5M | 2008–2026 |
| #10 | Jefferson County | 34 | 0 | $159K | 1997–2026 |
| #11 | Kenosha County | 33 | 0 | $4.1M | 1997–2026 |
| #12 | Dane County | 33 | 0 | $35.0M | 1997–2026 |
| #13 | Milwaukee County | 31 | 3 | $113K | 1998–2026 |
| #14 | Green County | 28 | 0 | $583K | 1997–2024 |
| #15 | Racine County | 27 | 1 | $23.6M | 1997–2026 |
| #16 | Sauk County | 25 | 0 | $6.4M | 1997–2019 |
| #17 | Lafayette County | 24 | 0 | $106K | 1998–2025 |
| #18 | Clark County | 23 | 0 | $1.4M | 2001–2023 |
| #19 | Waukesha County | 22 | 0 | $1.1M | 1999–2026 |
| #20 | Ozaukee County | 21 | 0 | $922K | 1996–2025 |
| #21 | Dodge County | 18 | 0 | $38K | 1998–2026 |
| #22 | Oconto County | 18 | 0 | $480K | 1996–2020 |
| #23 | Sheboygan County | 17 | 0 | $108K | 1996–2025 |
| #24 | Richland County | 17 | 0 | $5.8M | 1998–2019 |
| #25 | Kewaunee County | 16 | 0 | $122K | 2007–2020 |
Significant events
Deadliest flood events in Wisconsin
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| Jun 13, 2022 | Milwaukee County | — | 3 | 0 |
| Jul 14, 2016 | Ashland County | — | 1 | 0 |
| Jul 12, 2016 | Bayfield County | — | 1 | 1 |
| Apr 18, 2019 | Marinette County | — | 1 | 1 |
| Jul 20, 2019 | Menominee County | — | 1 | 0 |
| Sep 26, 2011 | Racine County | — | 1 | 0 |
| Sep 22, 2016 | Vernon County | — | 1 | 0 |
| Mar 30, 2019 | Vernon County | — | 1 | 0 |