States › Massachusetts › Worcester County › Flood
Flood in Worcester County, Massachusetts
197 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.
Worcester County, Massachusetts, has 197 flood events in the NCEI record since 1950, with at least one in 27 different years.
July is the busiest month, with 56 of the recorded events. The last 20 years account for 178 events against 19 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 10.4% of the 1,890 flood events recorded in Massachusetts; its 13.0 per 100 square miles compares with 24.2 statewide.
Compared with Massachusetts
| Measure | Worcester County | Massachusetts | US |
|---|---|---|---|
| Flood events since 1950 | 197 | 1,890 | 183,559 |
| Per 100 square miles | 13.0 | 24.2 | 5.2 |
| Per 10,000 residents | 2.3 | 2.7 | 5.5 |
| Deaths recorded | 0 | 3 | 2,961 |
| Busiest month | July | July | June |
By year
Seasonality
4Feb
1Mar
6Apr
7May
3Jun
24Jul
56Aug
41Sep
40Oct
8Nov
3Dec
4
Recorded events
All 197 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 |
|---|---|---|---|---|---|---|---|
| 8 May 2025 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2024 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2024 | Flood | — | — | — | — | — | County |
| 10 Jan 2024 | Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flood | — | — | — | — | — | County |
| 11 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2023 | Flood | — | — | — | — | — | County |
| 18 Aug 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2023 | Flood | — | — | — | — | — | County |
| 18 Aug 2023 | Flood | — | — | — | — | — | County |
| 18 Aug 2023 | Flood | — | — | — | — | — | County |
| 29 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 21 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 21 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2023 | Flood | — | — | — | — | — | County |
| 14 Jul 2023 | Flood | — | — | — | — | — | County |
| 14 Jul 2023 | Flood | — | — | — | — | — | County |
| 10 Jul 2023 | Flood | — | — | — | — | — | County |
| 10 Jul 2023 | Flood | — | — | — | — | — | County |
| 10 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 23 Dec 2022 | Flood | — | $1K | — | — | — | County |
| 5 Sep 2022 | Flood | — | — | — | — | — | County |
| 5 Sep 2022 | Flood | — | — | — | — | — | County |
| 5 Sep 2022 | Flash Flood | — | — | — | — | — | County |
| 5 Sep 2022 | Flood | — | — | — | — | — | County |
| 26 Aug 2022 | Flood | — | — | — | — | — | County |
| 12 Nov 2021 | Flood | — | $5K | — | — | — | County |
| 2 Sep 2021 | Flash Flood | — | $10K | — | — | — | County |
| 2 Sep 2021 | Flash Flood | — | $1K | — | — | — | County |
| 2 Sep 2021 | Flood | — | — | — | — | — | County |
| 2 Sep 2021 | Flood | — | $1K | — | — | — | County |
| 2 Sep 2021 | Flood | — | — | — | — | — | County |
| 19 Aug 2021 | Flash Flood | — | $5K | — | — | — | County |
| 19 Aug 2021 | Flash Flood | — | $5K | — | — | — | County |
| 18 Jul 2021 | Flood | — | — | — | — | — | County |
| 18 Jul 2021 | Flood | — | — | — | — | — | County |
| 18 Jul 2021 | Flood | — | $4K | — | — | — | County |
| 18 Jul 2021 | Flood | — | $4K | — | — | — | County |
| 18 Jul 2021 | Flood | — | — | — | — | — | County |
| 17 Jul 2021 | Flood | — | $4K | — | — | — | County |
| 17 Jul 2021 | Flash Flood | — | $20K | — | — | — | County |
| 17 Jul 2021 | Flash Flood | — | $8K | — | — | — | County |
| 9 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 9 Jul 2021 | Flood | — | — | — | — | — | County |
| 9 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Dec 2020 | Flood | — | — | — | — | — | County |
| 25 Dec 2020 | Flood | — | — | — | — | — | County |
| 27 Aug 2020 | Flood | — | $1K | — | — | — | County |
| 27 Aug 2020 | Flood | — | $20K | — | — | — | County |
| 23 Aug 2020 | Flash Flood | — | $5K | — | — | — | County |
| 23 Aug 2020 | Flash Flood | — | $25K | — | — | — | County |
| 23 Aug 2020 | Flood | — | $3K | — | — | — | County |
| 23 Aug 2020 | Flood | — | — | — | — | — | County |
| 23 Aug 2020 | Flood | — | — | — | — | — | County |
| 23 Aug 2020 | Flood | — | — | — | — | — | County |
| 23 Aug 2020 | Flood | — | — | — | — | — | County |
| 23 Aug 2020 | Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flood | — | $5K | — | — | — | County |
| 28 Jun 2020 | Flash Flood | — | $20K | — | — | — | County |
| 28 Jun 2020 | Flash Flood | — | $4K | — | — | — | County |
| 28 Jun 2020 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2020 | Flood | — | $4K | — | — | — | County |
| 2 Sep 2019 | Flood | — | — | — | — | — | County |
| 2 Sep 2019 | Flood | — | — | — | — | — | County |
| 2 Sep 2019 | Flood | — | — | — | — | — | County |
| 7 Aug 2019 | Flood | — | $500 | — | — | — | County |
| 7 Aug 2019 | Flood | — | — | — | — | — | County |
| 7 Aug 2019 | Flood | — | — | — | — | — | County |
| 17 Jul 2019 | Flood | — | — | — | — | — | County |
| 6 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2019 | Flood | — | — | — | — | — | County |
| 6 Jul 2019 | Flood | — | — | — | — | — | County |
| 6 Jul 2019 | Flood | — | — | — | — | — | County |
| 6 Jul 2019 | Flood | — | — | — | — | — | County |
| 3 Nov 2018 | Flood | — | — | — | — | — | County |
| 3 Nov 2018 | Flood | — | — | — | — | — | County |
| 26 Sep 2018 | Flood | — | — | — | — | — | County |
| 26 Sep 2018 | Flood | — | $3K | — | — | — | County |
| 26 Sep 2018 | Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 14 Aug 2018 | Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flood | — | — | — | — | — | County |
| 4 Aug 2018 | Flood | — | $15K | — | — | — | County |
| 17 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 18 Jun 2018 | Flood | — | $10K | — | — | — | County |
| 15 May 2018 | Flood | — | $5K | — | — | — | County |
| 15 May 2018 | Flood | — | $5K | — | — | — | County |
| 16 Apr 2018 | Flood | — | — | — | — | — | County |
| 16 Apr 2018 | Flood | — | — | — | — | — | County |
| 16 Apr 2018 | Flood | — | — | — | — | — | County |
| 12 Jan 2018 | Flood | — | — | — | — | — | County |
| 29 Oct 2017 | Flood | — | $15K | — | — | — | County |
| 24 Oct 2017 | Flood | — | — | — | — | — | County |
| 24 Oct 2017 | Flood | — | — | — | — | — | County |
| 24 Oct 2017 | Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 12 Jul 2017 | Flood | — | — | — | — | — | County |
| 12 Jul 2017 | Flood | — | — | — | — | — | County |
| 12 Jul 2017 | Flood | — | — | — | — | — | County |
| 8 Jul 2017 | Flood | — | — | — | — | — | County |
| 27 Jun 2017 | Flood | — | $1K | — | — | — | County |
| 27 Jun 2017 | Flood | — | $1K | — | — | — | County |
| 27 Jun 2017 | Flood | — | $1K | — | — | — | County |
| 21 Oct 2016 | Flash Flood | — | $75K | — | — | — | County |
| 14 Aug 2016 | Flood | — | — | — | — | — | County |
| 13 Aug 2016 | Flood | — | $15K | — | — | — | County |
| 13 Aug 2016 | Flood | — | — | — | — | — | County |
| 13 Aug 2016 | Flood | — | $10K | — | — | — | County |
| 13 Aug 2016 | Flash Flood | — | $40K | — | — | — | County |
| 12 Aug 2016 | Flood | — | — | — | — | — | County |
| 29 Jul 2016 | Flood | — | $5K | — | — | — | County |
| 22 Jul 2016 | Flood | — | — | — | — | — | County |
| 30 Sep 2015 | Flood | — | $5K | — | — | — | County |
| 15 Aug 2015 | Flood | — | $50K | — | — | — | County |
| 23 Oct 2014 | Flood | — | $200K | — | — | — | County |
| 23 Oct 2014 | Flood | — | — | — | — | — | County |
| 31 Aug 2014 | Flash Flood | — | $3K | — | — | — | County |
| 31 Aug 2014 | Flash Flood | — | $100K | — | — | — | County |
| 13 Aug 2014 | Flash Flood | — | — | — | — | — | County |
| 27 Jul 2014 | Flash Flood | — | $50K | — | — | — | County |
| 7 Jul 2014 | Flood | — | — | — | — | — | County |
| 2 Sep 2013 | Flood | — | $5K | — | — | — | County |
| 23 Jul 2013 | Flood | — | — | — | — | — | County |
| 1 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 18 Jun 2013 | Flash Flood | — | $30K | — | — | — | County |
| 14 Jun 2013 | Flood | — | $40K | — | — | — | County |
| 15 Aug 2012 | Flood | — | $10K | — | — | — | County |
| 8 Sep 2011 | Flood | — | $30K | — | — | — | County |
| 8 Sep 2011 | Flash Flood | — | $100K | — | — | — | County |
| 7 Mar 2011 | Flood | — | $25K | — | — | — | County |
| 19 Jul 2010 | Flood | — | — | — | — | — | County |
| 1 Apr 2010 | Flood | — | — | — | — | — | County |
| 29 Mar 2010 | Flood | — | $4.0M | — | — | — | County |
| 15 Mar 2010 | Flood | — | $1.4M | — | — | — | County |
| 14 Mar 2010 | Flood | — | $2.7M | — | — | — | County |
| 24 Jul 2009 | Flood | — | — | — | — | — | County |
| 7 Jul 2009 | Flash Flood | — | $150K | — | — | — | County |
| 2 Jul 2009 | Flash Flood | — | $5K | — | — | — | County |
| 27 Jun 2009 | Flash Flood | — | $20K | — | — | — | County |
| 12 Dec 2008 | Flood | — | $10K | — | — | — | County |
| 7 Sep 2008 | Flood | — | $1K | — | — | — | County |
| 6 Sep 2008 | Flood | — | $100K | — | — | — | County |
| 7 Aug 2008 | Flood | — | $20K | — | — | — | County |
| 7 Aug 2008 | Flash Flood | — | $100K | — | — | — | County |
| 22 Jul 2008 | Flood | — | $5K | — | — | — | County |
| 1 Jul 2008 | Flood | — | $1K | — | — | — | County |
| 23 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 8 Mar 2008 | Flood | — | $25K | — | — | — | County |
| 13 Feb 2008 | Flood | — | $10K | — | — | — | County |
| 29 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 16 Apr 2007 | Flood | — | $500K | — | — | — | County |
| 28 Oct 2006 | Flood | — | $5K | — | — | — | County |
| 28 Jul 2006 | Flood | — | $20K | — | — | — | County |
| 11 Jul 2006 | Flood | — | $2K | — | — | — | County |
| 1 Jun 2006 | Flash Flood | — | $5K | — | — | — | County |
| 1 Jun 2006 | Flash Flood | — | $5K | — | — | — | County |
| 8 Jul 2004 | Flash Flood | — | $25K | — | — | — | County |
| 12 Aug 2003 | Flash Flood | — | $50K | — | — | — | County |
| 12 Aug 2003 | Flash Flood | — | $25K | — | — | — | County |
| 25 Sep 2001 | Flash Flood | — | — | — | — | — | County |
| 22 Apr 2000 | Flash Flood | — | — | — | — | — | County |
| 24 Jan 1999 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 1998 | Flash Flood | — | — | — | — | — | County |
| 13 Jun 1998 | Flash Flood | — | $570K | — | — | — | County |
| 9 Mar 1998 | Flash Flood | — | — | — | — | — | County |
| 23 Jan 1998 | Flood | — | — | — | — | — | County |
| 4 Aug 1996 | Flood | — | — | — | — | — | County |
| 13 Jul 1996 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 1996 | Flood | — | — | — | — | — | County |
| 16 Apr 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Worcester County had?
197 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 Worcester County?
8 May 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Worcester County?
The flood of 29 Mar 2010, with property damage estimated by NCEI at $4.0M.
How does Worcester County compare with Massachusetts for flood?
13.0 events per 100 square miles against 24.2 statewide; the county holds 197 of the state's 1,890 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.