States › Texas › Comal County › Flood
Flood in Comal County, Texas
147 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.
Comal County, Texas, has 147 flood events in the NCEI record since 1950, with at least one in 26 different years.
June is the busiest month, with 30 of the recorded events. The last 20 years account for 80 events against 67 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.9% of the 15,832 flood events recorded in Texas; its 26.3 per 100 square miles compares with 6.1 statewide.
NCEI attributes 6 deaths in the county to floods and flash floods.
Compared with Texas
| Measure | Comal County | Texas | US |
|---|---|---|---|
| Flood events since 1950 | 147 | 15,832 | 183,559 |
| Per 100 square miles | 26.3 | 6.1 | 5.2 |
| Per 10,000 residents | 8.4 | 5.4 | 5.5 |
| Deaths recorded | 6 | 595 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
2Feb
1Mar
5Apr
8May
22Jun
30Jul
22Aug
12Sep
15Oct
17Nov
13Dec
0
Recorded events
All 147 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 |
|---|---|---|---|---|---|---|---|
| 15 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 1 May 2026 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 12 Jun 2025 | Flash Flood | — | — | — | — | — | County |
| 12 Jun 2025 | Flash Flood | — | — | — | — | — | County |
| 28 May 2025 | Flash Flood | — | — | — | — | — | County |
| 28 May 2025 | Flash Flood | — | — | — | — | — | County |
| 28 May 2025 | Flash Flood | — | — | — | — | — | County |
| 14 Oct 2021 | Flash Flood | — | $50K | — | — | — | County |
| 13 Oct 2021 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 5 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 1 May 2021 | Flash Flood | — | — | — | — | — | County |
| 30 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 30 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 12 May 2020 | Flash Flood | — | $250K | — | — | — | County |
| 9 May 2019 | Flash Flood | — | — | — | — | — | County |
| 8 May 2019 | Flash Flood | — | — | — | — | — | County |
| 17 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 11 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 9 Mar 2017 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 2016 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 2016 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 2016 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2016 | Flash Flood | — | — | — | — | — | County |
| 31 May 2016 | Flash Flood | — | — | — | — | — | County |
| 18 May 2016 | Flash Flood | — | — | — | — | — | County |
| 18 May 2016 | Flash Flood | — | — | — | — | — | County |
| 17 May 2016 | Flash Flood | — | — | — | — | — | County |
| 18 Apr 2016 | Flash Flood | — | — | — | — | — | County |
| 30 Oct 2015 | Flash Flood | — | — | — | — | — | County |
| 30 Oct 2015 | Flash Flood | — | — | — | 1 | — | County |
| 17 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 14 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 30 May 2015 | Flash Flood | — | — | — | — | — | County |
| 29 May 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | $20K | — | — | — | County |
| 22 Nov 2014 | Flash Flood | — | — | — | — | — | County |
| 27 May 2014 | Flash Flood | — | — | — | — | — | County |
| 13 May 2014 | Flash Flood | — | — | — | — | — | County |
| 31 Oct 2013 | Flash Flood | — | $100K | — | 1 | — | County |
| 30 Oct 2013 | Flash Flood | — | — | — | — | — | County |
| 29 Sep 2013 | Flash Flood | — | — | — | — | — | County |
| 25 May 2013 | Flash Flood | — | — | — | — | — | County |
| 20 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 9 Oct 2011 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 7 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 7 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2010 | Flash Flood | — | $10M | — | 1 | — | County |
| 9 Jun 2010 | Flash Flood | — | — | — | — | — | County |
| 15 May 2010 | Flash Flood | — | — | — | — | — | County |
| 4 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 10 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 5 May 2008 | Flash Flood | — | — | — | — | — | County |
| 16 Aug 2007 | Flash Flood | — | $100K | — | — | — | County |
| 24 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 21 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 20 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2007 | Flash Flood | — | $30K | — | — | — | County |
| 25 Jun 2007 | Flash Flood | — | $10K | — | — | — | County |
| 27 May 2007 | Flash Flood | — | — | — | — | — | County |
| 26 Mar 2007 | Flash Flood | — | — | — | — | — | County |
| 11 Mar 2007 | Flash Flood | — | — | — | 1 | — | County |
| 13 Jan 2007 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2007 | Flash Flood | — | — | — | — | — | County |
| 4 Jul 2006 | Flash Flood | — | $500K | — | — | — | County |
| 10 Aug 2005 | Flash Flood | — | — | — | — | — | County |
| 23 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 22 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 22 Nov 2004 | Flood | — | — | — | — | — | Forecast zone |
| 22 Nov 2004 | Flood | — | — | — | — | — | Forecast zone |
| 22 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 22 Nov 2004 | Flood | — | — | — | — | — | Forecast zone |
| 21 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 16 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 24 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 23 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 13 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2004 | Flood | — | — | — | — | — | Forecast zone |
| 25 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 29 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2004 | Flash Flood | — | $250K | — | — | — | County |
| 5 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 10 Apr 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Apr 2004 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 2003 | Flash Flood | — | $5K | — | — | — | County |
| 13 Jun 2003 | Flash Flood | — | $10K | — | — | — | County |
| 20 Feb 2003 | Flash Flood | — | $10K | — | — | — | County |
| 4 Nov 2002 | Flash Flood | — | — | — | — | — | County |
| 24 Oct 2002 | Flash Flood | — | $30K | — | — | — | County |
| 19 Sep 2002 | Flash Flood | — | — | — | — | — | County |
| 9 Sep 2002 | Flash Flood | — | — | — | — | — | County |
| 16 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2002 | Flood | — | — | — | — | — | Forecast zone |
| 5 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 4 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 4 Jul 2002 | Flood | — | — | — | — | — | Forecast zone |
| 3 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2002 | Flash Flood | — | $10K | — | — | — | County |
| 15 Nov 2001 | Flash Flood | — | $80K | — | — | 10 | County |
| 5 Sep 2001 | Flash Flood | — | $5K | — | — | — | County |
| 5 Sep 2001 | Flash Flood | — | $30K | — | — | — | County |
| 31 Aug 2001 | Flash Flood | — | $30K | $20K | — | — | County |
| 31 Aug 2001 | Flash Flood | — | $20K | — | — | — | County |
| 30 Aug 2001 | Flash Flood | — | $30K | — | — | — | County |
| 27 Aug 2001 | Flash Flood | — | $20K | — | — | — | County |
| 23 Apr 2001 | Flash Flood | — | $40K | — | — | — | County |
| 5 Nov 2000 | Flash Flood | — | $10K | — | — | — | County |
| 2 Nov 2000 | Flash Flood | — | $15K | — | — | — | County |
| 10 Jun 2000 | Flash Flood | — | $10K | — | — | — | County |
| 9 Jun 2000 | Flash Flood | — | $10K | — | — | — | County |
| 11 Jul 1999 | Flash Flood | — | $10K | — | — | — | County |
| 21 Jun 1999 | Flash Flood | — | $5K | — | — | — | County |
| 17 Oct 1998 | Flash Flood | — | $50M | $50K | 2 | 800 | County |
| 17 Oct 1998 | Flood | — | $200M | $500K | — | 50 | Forecast zone |
| 17 Oct 1998 | Flood | — | $8.0M | $100K | — | 50 | Forecast zone |
| 22 Aug 1998 | Flash Flood | — | $20K | $10K | — | — | County |
| 4 Jul 1998 | Flash Flood | — | $3K | — | — | — | County |
| 3 Jul 1998 | Flash Flood | — | $5K | — | — | — | County |
| 16 Mar 1998 | Flash Flood | — | $15K | — | — | — | County |
| 8 Aug 1997 | Flash Flood | — | $5K | — | — | — | County |
| 22 Jun 1997 | Flash Flood | — | $2.0M | $50K | — | 10 | County |
| 21 Jun 1997 | Flash Flood | — | $15K | — | — | — | County |
| 8 Jun 1997 | Flash Flood | — | $25K | — | — | — | County |
| 6 Jun 1997 | Flash Flood | — | $10K | — | — | — | County |
Questions and answers
How many flood events has Comal County had?
147 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 Comal County?
15 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Comal County?
The flood of 17 Oct 1998, with property damage estimated by NCEI at $200M and crop damage at $500K.
How does Comal County compare with Texas for flood?
26.3 events per 100 square miles against 6.1 statewide; the county holds 147 of the state's 15,832 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.