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Flood in Dane County, Wisconsin
83 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
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.
Dane County, Wisconsin, has 83 flood events in the NCEI record since 1950, with at least one in 25 different years.
June is the busiest month, with 35 of the recorded events. The last 20 years account for 47 events against 36 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 3.2% of the 2,580 flood events recorded in Wisconsin; its 6.9 per 100 square miles compares with 4.8 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Wisconsin
| Measure | Dane County | Wisconsin | US |
|---|---|---|---|
| Flood events since 1950 | 83 | 2,580 | 183,559 |
| Per 100 square miles | 6.9 | 4.8 | 5.2 |
| Per 10,000 residents | 1.5 | 4.4 | 5.5 |
| Deaths recorded | 1 | 30 | 2,961 |
| Busiest month | June | June | June |
By year
Seasonality
0Feb
3Mar
3Apr
2May
9Jun
35Jul
14Aug
13Sep
2Oct
2Nov
0Dec
0
Recorded events
All 83 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 |
|---|---|---|---|---|---|---|---|
| 14 Apr 2026 | Flood | — | $1K | — | — | — | County |
| 23 Jun 2025 | Flood | — | $2K | — | — | — | County |
| 14 Jul 2024 | Flash Flood | — | $2K | — | — | — | County |
| 22 Jun 2024 | Flash Flood | — | $30K | — | — | — | County |
| 19 Jun 2024 | Flash Flood | — | $5K | — | — | — | County |
| 21 May 2024 | Flood | — | $1K | — | — | — | County |
| 28 Jul 2023 | Flash Flood | — | $25K | — | — | — | County |
| 15 Jun 2022 | Flood | — | — | — | — | — | County |
| 29 Jun 2020 | Flood | — | $1K | — | — | — | County |
| 29 Jun 2020 | Flash Flood | — | $5K | — | — | — | County |
| 2 Oct 2019 | Flood | — | $3K | — | — | — | County |
| 1 Oct 2019 | Flash Flood | — | $50K | — | — | — | County |
| 14 Mar 2019 | Flood | — | $3K | — | — | — | County |
| 13 Mar 2019 | Flood | — | $50K | — | — | — | County |
| 1 Sep 2018 | Flood | — | $1K | — | — | — | County |
| 23 Aug 2018 | Flood | — | $1.0M | — | — | — | County |
| 21 Aug 2018 | Flood | — | $1.0M | — | — | — | County |
| 20 Aug 2018 | Flash Flood | — | $1.0M | — | 1 | — | County |
| 20 Aug 2018 | Flash Flood | — | $1.0M | — | — | — | County |
| 20 Aug 2018 | Flood | — | $33M | — | — | — | County |
| 17 Aug 2018 | Flash Flood | — | $5K | $1K | — | — | County |
| 15 Jun 2018 | Flash Flood | — | $50K | — | — | — | County |
| 19 Feb 2018 | Flood | — | $10K | — | — | — | County |
| 9 Jul 2017 | Flash Flood | — | $1.3M | — | — | — | County |
| 21 Jul 2016 | Flash Flood | — | $25K | — | — | — | County |
| 14 Jun 2016 | Flash Flood | — | $5K | — | — | — | County |
| 14 Jun 2016 | Flash Flood | — | $5K | — | — | — | County |
| 27 May 2014 | Flash Flood | — | $10K | — | — | — | County |
| 27 May 2014 | Flash Flood | — | $40K | — | — | — | County |
| 26 Jun 2013 | Flash Flood | — | $8K | $4K | — | — | County |
| 26 Jun 2013 | Flash Flood | — | $10K | $4K | — | — | County |
| 22 Jun 2013 | Flash Flood | — | $30K | $20K | — | — | County |
| 22 Jul 2010 | Flash Flood | — | $100K | $10K | — | — | County |
| 22 Jul 2010 | Flash Flood | — | $150K | $10K | — | — | County |
| 18 Jun 2009 | Flash Flood | — | $25K | — | — | — | County |
| 11 Jul 2008 | Flash Flood | — | $30K | — | — | — | County |
| 11 Jul 2008 | Flash Flood | — | $10K | — | — | — | County |
| 12 Jun 2008 | Flash Flood | — | $14M | $65M | — | — | County |
| 12 Jun 2008 | Flash Flood | — | — | $10K | — | — | County |
| 12 Jun 2008 | Flash Flood | — | — | $10K | — | — | County |
| 8 Jun 2008 | Flash Flood | — | — | $10K | — | — | County |
| 8 Jun 2008 | Flash Flood | — | — | $10K | — | — | County |
| 7 Jun 2008 | Flash Flood | — | — | $10K | — | — | County |
| 22 Aug 2007 | Flash Flood | — | $50K | $200K | — | — | County |
| 22 Aug 2007 | Flash Flood | — | $50K | $200K | — | — | County |
| 18 Aug 2007 | Flash Flood | — | $6.8M | $5.0M | — | — | County |
| 3 Jun 2007 | Flash Flood | — | $200K | — | — | — | County |
| 27 Jul 2006 | Flash Flood | — | $10M | — | — | — | County |
| 25 Jun 2006 | Flash Flood | — | $20K | — | — | — | County |
| 25 Jun 2006 | Flash Flood | — | $20K | — | — | — | County |
| 1 Jun 2004 | Flood | — | $1.0M | $5.0M | — | — | Forecast zone |
| 23 May 2004 | Flash Flood | — | $200K | — | — | — | County |
| 23 May 2004 | Flash Flood | — | $100K | $300K | — | — | County |
| 21 Aug 2002 | Flood | — | — | — | — | — | County |
| 11 Aug 2002 | Flash Flood | — | $100K | $100K | — | — | County |
| 3 Jun 2002 | Flood | — | — | — | — | — | County |
| 7 Sep 2001 | Flood | — | — | — | — | — | County |
| 2 Aug 2001 | Flash Flood | — | $250K | — | — | — | County |
| 14 Jun 2001 | Flood | — | — | — | — | — | County |
| 9 Feb 2001 | Flood | — | $10K | — | — | — | Forecast zone |
| 2 Jul 2000 | Flood | — | — | — | — | — | County |
| 13 Jun 2000 | Flash Flood | — | $1.3M | $1.0M | — | — | County |
| 12 Jun 2000 | Flood | — | $30K | — | — | — | County |
| 1 Jun 2000 | Flood | — | $25K | — | — | — | County |
| 1 Jun 2000 | Flash Flood | — | $6.0M | $5.0M | — | — | County |
| 18 May 2000 | Flood | — | $30K | — | — | — | County |
| 18 May 2000 | Flood | — | $5K | — | — | — | County |
| 11 May 2000 | Flood | — | — | — | — | — | County |
| 25 Jul 1999 | Flash Flood | — | $15K | — | — | — | County |
| 17 Jul 1999 | Flood | — | — | — | — | — | County |
| 28 Jun 1999 | Flood | — | — | — | — | — | County |
| 28 Jun 1999 | Flood | — | — | — | — | — | County |
| 16 May 1999 | Flash Flood | — | $100K | — | — | — | County |
| 3 Apr 1999 | Flood | — | — | — | — | — | County |
| 11 Feb 1999 | Flood | — | $1K | — | — | — | County |
| 30 Mar 1998 | Flood | — | — | — | — | — | County |
| 4 Aug 1997 | Flood | — | — | — | — | — | County |
| 25 Jul 1997 | Flood | — | — | — | — | — | County |
| 18 Jul 1997 | Flood | — | — | — | — | — | County |
| 24 Jun 1997 | Flood | — | — | — | — | — | County |
| 17 Jun 1996 | Flood | — | $3.0M | $10M | — | — | Forecast zone |
| 17 Jun 1996 | Flash Flood | — | $1.6M | — | — | — | County |
| 17 Jun 1996 | Flash Flood | — | $4.0M | — | — | — | County |
Questions and answers
How many flood events has Dane County had?
83 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Dane County?
14 Apr 2026 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Dane County?
The flash flood of 12 Jun 2008, with property damage estimated by NCEI at $14M and crop damage at $65M.
How does Dane County compare with Wisconsin for flood?
6.9 events per 100 square miles against 4.8 statewide; the county holds 83 of the state's 2,580 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 Flood hub and the county page.