States › Iowa › Webster County › Flood
Flood in Webster County, Iowa
158 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.
Webster County, Iowa, has 158 flood events in the NCEI record since 1950, with at least one in 24 different years.
June is the busiest month, with 46 of the recorded events. The last 20 years account for 115 events against 43 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.1% of the 7,383 flood events recorded in Iowa; its 22.1 per 100 square miles compares with 13.2 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Iowa
| Measure | Webster County | Iowa | US |
|---|---|---|---|
| Flood events since 1950 | 158 | 7,383 | 183,559 |
| Per 100 square miles | 22.1 | 13.2 | 5.2 |
| Per 10,000 residents | 42.5 | 23.1 | 5.5 |
| Deaths recorded | 1 | 18 | 2,961 |
| Busiest month | June | June | June |
By year
Seasonality
0Feb
8Mar
19Apr
14May
21Jun
46Jul
18Aug
26Sep
3Oct
1Nov
0Dec
2
Recorded events
All 158 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 |
|---|---|---|---|---|---|---|---|
| 16 Sep 2025 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2024 | Flood | — | — | — | — | — | County |
| 1 Jul 2024 | Flood | — | — | — | — | — | County |
| 24 Jun 2024 | Flood | — | — | — | — | — | County |
| 22 Jun 2024 | Flood | — | — | — | — | — | County |
| 23 May 2024 | Flood | — | — | — | — | — | County |
| 30 May 2023 | Flash Flood | — | — | — | — | — | County |
| 30 May 2023 | Flash Flood | — | — | — | — | — | County |
| 2 Jul 2019 | Flash Flood | — | $20K | — | — | — | County |
| 1 Jun 2019 | Flood | — | — | — | — | — | County |
| 30 May 2019 | Flood | — | $50K | $50K | — | — | County |
| 28 May 2019 | Flood | — | $50K | $50K | — | — | County |
| 24 May 2019 | Flood | — | $100K | $50K | — | — | County |
| 1 Apr 2019 | Flood | — | — | — | — | — | County |
| 16 Mar 2019 | Flood | — | — | — | — | — | County |
| 15 Mar 2019 | Flood | — | — | — | — | — | County |
| 15 Mar 2019 | Flood | — | — | — | — | — | County |
| 14 Mar 2019 | Flood | — | — | — | — | — | County |
| 14 Mar 2019 | Flood | — | $1.0M | — | — | — | County |
| 14 Mar 2019 | Flood | — | $100K | — | — | — | County |
| 13 Mar 2019 | Flood | — | $200K | — | — | — | County |
| 10 Oct 2018 | Flood | — | $50K | $50K | — | — | County |
| 22 Sep 2018 | Flood | — | $100K | $250K | — | — | County |
| 21 Sep 2018 | Flood | — | $100K | $250K | — | — | County |
| 1 Jul 2018 | Flood | — | $100K | — | — | — | County |
| 20 Jun 2018 | Flood | — | $100K | $250K | — | — | County |
| 20 Jun 2018 | Flash Flood | — | $25K | — | — | — | County |
| 20 Jun 2018 | Flash Flood | — | $25K | — | — | — | County |
| 15 Jun 2018 | Flood | — | — | — | — | — | County |
| 14 Jun 2018 | Flood | — | $50K | $100K | — | — | County |
| 14 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 3 May 2018 | Flood | — | $200K | — | — | — | County |
| 3 Mar 2018 | Flood | — | $100K | — | — | — | County |
| 19 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 19 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 19 Jul 2016 | Flash Flood | — | $25K | — | — | — | County |
| 22 Feb 2016 | Flash Flood | — | $200K | — | — | — | County |
| 22 Feb 2016 | Flood | — | — | — | — | — | County |
| 15 Dec 2015 | Flood | — | $50K | — | — | — | County |
| 15 Dec 2015 | Flood | — | $50K | — | — | — | County |
| 28 Aug 2015 | Flash Flood | — | $100K | — | — | — | County |
| 28 Aug 2015 | Flash Flood | — | $25K | — | — | — | County |
| 28 Aug 2015 | Flash Flood | — | $50K | — | — | — | County |
| 16 Jun 2014 | Flash Flood | — | $60K | — | — | — | County |
| 1 Jun 2013 | Flood | — | — | — | — | — | County |
| 27 May 2013 | Flood | — | $100K | — | — | — | County |
| 1 Jul 2011 | Flood | — | — | $50K | — | — | County |
| 27 Jun 2011 | Flood | — | $25K | $10K | — | — | County |
| 22 Jun 2011 | Flood | — | — | $100K | — | — | County |
| 26 May 2011 | Flood | — | $25K | — | — | — | County |
| 26 Apr 2011 | Flood | — | — | — | — | — | County |
| 20 Apr 2011 | Flood | — | — | — | — | — | County |
| 20 Feb 2011 | Flood | — | $10K | — | — | — | County |
| 19 Feb 2011 | Flood | — | $200K | — | — | — | County |
| 19 Feb 2011 | Flash Flood | — | $200K | — | — | — | County |
| 11 Aug 2010 | Flood | — | $200K | — | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $50K | — | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $100K | — | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $250K | — | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $50K | — | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $100K | — | — | — | County |
| 10 Aug 2010 | Flood | — | $5K | $200K | — | — | County |
| 10 Aug 2010 | Flash Flood | — | $25K | — | — | — | County |
| 23 Jul 2010 | Flash Flood | — | $25K | — | — | — | County |
| 23 Jul 2010 | Flood | — | $25K | — | — | — | County |
| 22 Jul 2010 | Flood | — | $25K | $500K | — | — | County |
| 22 Jul 2010 | Flash Flood | — | $250K | — | — | — | County |
| 22 Jul 2010 | Flash Flood | — | $250K | — | — | — | County |
| 22 Jul 2010 | Flash Flood | — | $25K | — | — | — | County |
| 22 Jul 2010 | Flood | — | $50K | $100K | — | — | County |
| 1 Jul 2010 | Flood | — | $50K | $200K | — | — | County |
| 1 Jul 2010 | Flood | — | — | $250K | — | — | County |
| 27 Jun 2010 | Flash Flood | — | $500K | — | — | — | County |
| 26 Jun 2010 | Flood | — | $250K | $2.0M | — | — | County |
| 23 Jun 2010 | Flood | — | $50K | $1.0M | — | — | County |
| 19 Jun 2010 | Flood | — | — | — | — | — | County |
| 13 Jun 2010 | Flood | — | — | — | — | — | County |
| 12 Jun 2010 | Flood | — | — | $20M | — | — | County |
| 1 Apr 2010 | Flood | — | $50K | — | — | — | County |
| 14 Mar 2010 | Flood | — | $50K | — | — | — | County |
| 13 Mar 2010 | Flash Flood | — | $100K | — | — | — | County |
| 12 Mar 2010 | Flash Flood | — | $200K | — | — | — | County |
| 12 Mar 2010 | Flash Flood | — | $200K | — | — | — | County |
| 11 Mar 2010 | Flood | — | $200K | — | — | — | County |
| 10 Feb 2009 | Flood | — | — | — | — | — | County |
| 10 Feb 2009 | Flood | — | — | — | — | — | County |
| 11 Jun 2008 | Flash Flood | — | $50K | — | — | — | County |
| 8 Jun 2008 | Flood | — | $500K | $500K | — | — | County |
| 8 Jun 2008 | Flash Flood | — | $10K | — | — | — | County |
| 7 Jun 2008 | Flash Flood | — | $100K | — | — | — | County |
| 7 Jun 2008 | Flash Flood | — | $25K | — | — | — | County |
| 7 Jun 2008 | Flash Flood | — | $100K | — | — | — | County |
| 7 Jun 2008 | Flash Flood | — | $50K | — | — | — | County |
| 4 Jun 2008 | Flash Flood | — | $50K | — | — | — | County |
| 4 Jun 2008 | Flash Flood | — | $25K | — | — | — | County |
| 31 May 2008 | Flood | — | — | $20K | — | — | County |
| 7 May 2008 | Flood | — | — | $20K | — | — | County |
| 12 Mar 2008 | Flood | — | $50K | — | — | — | County |
| 22 Aug 2007 | Flood | — | $10K | — | — | — | County |
| 21 Aug 2007 | Flood | — | $50K | $50K | — | — | County |
| 21 Aug 2007 | Flash Flood | — | $75K | $10K | — | — | County |
| 21 Aug 2007 | Flash Flood | — | $100K | — | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $5K | — | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $10K | — | — | — | County |
| 20 Aug 2007 | Flood | — | $50K | $50K | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $5K | — | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $50K | $10K | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $25K | $10K | — | — | County |
| 20 Aug 2007 | Flash Flood | — | $25K | $5K | — | — | County |
| 19 Aug 2007 | Flash Flood | — | $25K | $5K | — | — | County |
| 4 Aug 2007 | Flash Flood | — | $15K | — | — | — | County |
| 25 Apr 2007 | Flood | — | $250K | — | — | — | County |
| 14 Mar 2007 | Flash Flood | — | $500K | — | — | — | County |
| 14 Mar 2007 | Flash Flood | — | $50K | — | — | — | County |
| 14 Mar 2007 | Flood | — | $50K | — | — | — | County |
| 9 Aug 2006 | Flash Flood | — | $20K | — | — | — | County |
| 1 Apr 2006 | Flood | — | $5K | — | — | — | County |
| 26 Jul 2005 | Flood | — | $10K | $30K | — | — | Forecast zone |
| 26 Jun 2005 | Flood | — | $74K | $50K | — | — | Forecast zone |
| 26 Jun 2005 | Flood | — | $100K | $15K | 1 | — | Forecast zone |
| 25 Jun 2005 | Flash Flood | — | $75K | $5K | — | — | County |
| 25 Jun 2005 | Flood | — | $75K | $10K | — | — | Forecast zone |
| 25 Jun 2005 | Flash Flood | — | $100K | $10K | — | — | County |
| 12 Jun 2005 | Flood | — | $25K | $10K | — | — | Forecast zone |
| 13 May 2005 | Flood | — | $30K | — | — | — | Forecast zone |
| 16 Jun 2004 | Flash Flood | — | $75K | $10K | — | — | County |
| 23 May 2004 | Flash Flood | — | $5K | — | — | — | County |
| 22 May 2004 | Flood | — | $100K | $298K | — | — | Forecast zone |
| 5 Jul 2003 | Flood | — | $10K | $25K | — | — | Forecast zone |
| 27 Jun 2003 | Flood | — | $5K | $10K | — | — | Forecast zone |
| 9 May 2003 | Flood | — | $5K | — | — | — | Forecast zone |
| 4 May 2003 | Flood | — | $5K | — | — | — | Forecast zone |
| 11 May 2002 | Flood | — | $10K | — | — | — | Forecast zone |
| 12 Jun 2001 | Flood | — | $25K | $50K | — | — | Forecast zone |
| 21 May 2001 | Flood | — | $30K | — | — | — | Forecast zone |
| 1 May 2001 | Flood | — | $75K | — | — | — | Forecast zone |
| 7 Apr 2001 | Flood | — | $150K | — | — | — | Forecast zone |
| 1 Apr 2001 | Flood | — | $5K | — | — | — | Forecast zone |
| 23 Mar 2001 | Flood | — | $8K | — | — | — | Forecast zone |
| 27 Jun 1999 | Flood | — | $5K | $5K | — | — | Forecast zone |
| 9 Jun 1999 | Flood | — | $50K | $75K | — | — | Forecast zone |
| 21 May 1999 | Flood | — | $50K | $10K | — | — | Forecast zone |
| 16 May 1999 | Flood | — | $200K | $25K | — | — | Forecast zone |
| 22 Apr 1999 | Flood | — | $10K | — | — | — | Forecast zone |
| 6 Apr 1999 | Flood | — | $7K | — | — | — | Forecast zone |
| 29 Jun 1998 | Flood | — | $50K | $10K | — | — | County |
| 28 Jun 1998 | Flood | — | $75K | $20K | — | — | Forecast zone |
| 24 Jun 1998 | Flood | — | $75K | $20K | — | — | Forecast zone |
| 23 Jun 1998 | Flash Flood | — | $75K | $10K | — | — | County |
| 18 Jun 1998 | Flood | — | $100K | $20K | — | — | Forecast zone |
| 16 Apr 1998 | Flood | — | $5K | — | — | — | Forecast zone |
| 7 Apr 1998 | Flood | — | $15K | — | — | — | Forecast zone |
| 6 Apr 1998 | Flood | — | $150K | — | — | — | County |
| 21 Jun 1997 | Flood | — | — | — | — | — | Forecast zone |
| 1 Apr 1997 | Flood | — | — | — | — | — | Forecast zone |
| 19 Mar 1997 | Flood | — | — | — | — | — | Forecast zone |
| 18 Feb 1997 | Flood | — | — | — | — | — | Forecast zone |
| 17 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Webster County had?
158 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 Webster County?
16 Sep 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Webster County?
The flood of 12 Jun 2010, with property damage estimated by NCEI at $0 and crop damage at $20M.
How does Webster County compare with Iowa for flood?
22.1 events per 100 square miles against 13.2 statewide; the county holds 158 of the state's 7,383 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.