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Flood in Addison County, Vermont
66 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.
Addison County, Vermont, has 66 flood events in the NCEI record since 1950, with at least one in 26 different years.
July is the busiest month, with 15 of the recorded events. The last 20 years account for 41 events against 25 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 7.2% of the 911 flood events recorded in Vermont; its 8.6 per 100 square miles compares with 9.9 statewide.
Compared with Vermont
| Measure | Addison County | Vermont | US |
|---|---|---|---|
| Flood events since 1950 | 66 | 911 | 183,559 |
| Per 100 square miles | 8.6 | 9.9 | 5.2 |
| Per 10,000 residents | 17.7 | 14.1 | 5.5 |
| Deaths recorded | 0 | 11 | 2,961 |
| Busiest month | July | July | June |
By year
Seasonality
4Feb
3Mar
2Apr
6May
10Jun
14Jul
15Aug
7Sep
0Oct
3Nov
1Dec
1
Recorded events
All 66 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 |
|---|---|---|---|---|---|---|---|
| 10 Jul 2025 | Flash Flood | — | $50K | — | — | — | County |
| 17 May 2025 | Flash Flood | — | $20K | — | — | — | County |
| 10 Jul 2024 | Flash Flood | — | $100K | — | — | — | County |
| 3 Aug 2023 | Flash Flood | — | $1.2M | — | — | — | County |
| 14 Jul 2023 | Flash Flood | — | $500K | — | — | — | County |
| 13 Jul 2023 | Flash Flood | — | $100K | — | — | — | County |
| 13 Jul 2023 | Flash Flood | — | $100K | — | — | — | County |
| 16 May 2022 | Flash Flood | — | $5K | — | — | — | County |
| 26 Aug 2021 | Flash Flood | — | $10K | — | — | — | County |
| 30 Jun 2020 | Flash Flood | — | $10K | — | — | — | County |
| 1 Nov 2019 | Flash Flood | — | $500K | — | — | — | County |
| 20 Jun 2019 | Flash Flood | — | $50K | — | — | — | County |
| 1 Jul 2017 | Flash Flood | — | $5K | — | — | — | County |
| 1 Jul 2017 | Flash Flood | — | $150K | — | — | — | County |
| 25 Feb 2017 | Flood | — | $30K | — | — | — | County |
| 25 Feb 2016 | Flood | — | $1K | — | — | — | County |
| 19 Jul 2015 | Flood | — | $3K | — | — | — | County |
| 9 Jun 2015 | Flood | — | $250K | — | — | — | County |
| 11 Jan 2014 | Flood | — | $2K | — | — | — | County |
| 10 Jul 2013 | Flash Flood | — | $10K | — | — | — | County |
| 10 Jul 2013 | Flash Flood | — | $50K | — | — | — | County |
| 3 Jul 2013 | Flash Flood | — | $250K | — | — | — | County |
| 29 May 2012 | Flash Flood | — | $25K | — | — | — | County |
| 29 May 2012 | Flash Flood | — | $75K | — | — | — | County |
| 29 May 2012 | Flash Flood | — | $25K | — | — | — | County |
| 29 May 2012 | Flash Flood | — | $25K | — | — | — | County |
| 28 Aug 2011 | Flash Flood | — | $20M | $1.0M | — | — | County |
| 10 Aug 2011 | Flash Flood | — | $20K | — | — | — | County |
| 9 Jun 2011 | Flash Flood | — | $25K | — | — | — | County |
| 26 May 2011 | Flash Flood | — | $250K | — | — | — | County |
| 20 May 2011 | Flash Flood | — | $10K | — | — | — | County |
| 26 Apr 2011 | Flood | — | $250K | — | — | — | County |
| 6 Mar 2011 | Flood | — | — | — | — | — | County |
| 1 Oct 2010 | Flood | — | $50K | — | — | — | County |
| 1 Oct 2010 | Flash Flood | — | $500K | — | — | — | County |
| 25 Jan 2010 | Flood | — | — | — | — | — | County |
| 15 Jun 2009 | Flood | — | — | — | — | — | County |
| 15 Jun 2009 | Flood | — | $25K | — | — | — | County |
| 7 Aug 2008 | Flash Flood | — | $25K | — | — | — | County |
| 6 Aug 2008 | Flash Flood | — | $750K | — | — | — | County |
| 14 Jun 2008 | Flash Flood | — | $750K | — | — | — | County |
| 26 Jun 2006 | Flood | — | $15K | — | — | — | County |
| 19 May 2006 | Flood | — | $25K | — | — | — | County |
| 28 Aug 2004 | Flash Flood | — | $1.7M | — | — | — | County |
| 24 Jul 2003 | Flash Flood | — | $25K | — | — | — | County |
| 13 Apr 2002 | Flood | — | $20K | — | — | — | Forecast zone |
| 1 May 2001 | Flood | — | $1K | — | — | — | Forecast zone |
| 23 Apr 2001 | Flood | — | $5K | — | — | — | Forecast zone |
| 17 Dec 2000 | Flash Flood | — | $100K | — | — | — | County |
| 16 Jul 2000 | Flash Flood | — | $600K | — | — | — | County |
| 4 Apr 2000 | Flash Flood | — | $1K | — | — | — | County |
| 28 Feb 2000 | Flash Flood | — | $5K | — | — | — | County |
| 24 Jan 1999 | Flash Flood | — | $5K | — | — | — | County |
| 1 Jul 1998 | Flash Flood | — | $1.0M | — | — | — | County |
| 1 Jul 1998 | Flash Flood | — | $1.0M | — | — | — | County |
| 27 Jun 1998 | Flash Flood | — | $5.0M | $500K | — | — | County |
| 17 Jun 1998 | Flash Flood | — | $10K | — | — | — | County |
| 17 Jun 1998 | Flash Flood | — | $10K | — | — | — | County |
| 1 Apr 1998 | Flood | — | $10K | — | — | — | Forecast zone |
| 1 Apr 1998 | Flash Flood | — | $5K | — | — | — | County |
| 31 Mar 1998 | Flash Flood | — | $10K | — | — | — | County |
| 8 Jan 1998 | Flash Flood | — | $5K | — | — | — | County |
| 21 Oct 1996 | Flash Flood | — | $10K | — | — | — | County |
| 13 Jun 1996 | Flash Flood | — | $10K | — | — | — | County |
| 10 Jun 1996 | Flash Flood | — | $10K | — | — | — | County |
| 10 Jun 1996 | Flash Flood | — | $10K | — | — | — | County |
Questions and answers
How many flood events has Addison County had?
66 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 Addison County?
10 Jul 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Addison County?
The flash flood of 28 Aug 2011, with property damage estimated by NCEI at $20M and crop damage at $1.0M.
How does Addison County compare with Vermont for flood?
8.6 events per 100 square miles against 9.9 statewide; the county holds 66 of the state's 911 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.