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Flood in Blanco County, Texas
84 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.
NCEI records 84 flood events in Blanco County, Texas, between 1950 and 2026, spread over 18 years.
June is the busiest month, with 20 of the recorded events. The last 20 years account for 37 events against 47 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.5% of the 15,832 flood events recorded in Texas; its 11.8 per 100 square miles compares with 6.1 statewide.
NCEI attributes 5 deaths in the county to floods and flash floods.
Compared with Texas
| Measure | Blanco County | Texas | US |
|---|---|---|---|
| Flood events since 1950 | 84 | 15,832 | 183,559 |
| Per 100 square miles | 11.8 | 6.1 | 5.2 |
| Per 10,000 residents | 70.7 | 5.4 | 5.5 |
| Deaths recorded | 5 | 595 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
1Feb
2Mar
6Apr
5May
16Jun
20Jul
11Aug
3Sep
3Oct
9Nov
8Dec
0
Recorded events
All 84 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 |
| 26 May 2026 | Flash Flood | — | — | — | — | — | County |
| 25 May 2026 | Flash Flood | — | — | — | — | — | County |
| 4 Nov 2024 | Flash Flood | — | — | — | — | — | County |
| 1 May 2024 | Flash Flood | — | — | — | — | — | County |
| 13 Oct 2021 | Flash Flood | — | — | — | — | — | County |
| 8 May 2019 | Flash Flood | — | — | — | — | — | County |
| 3 May 2019 | Flash Flood | — | — | — | — | — | County |
| 3 May 2019 | Flash Flood | — | — | — | 1 | — | County |
| 4 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 2 Jun 2016 | Flash Flood | — | — | — | — | — | County |
| 27 May 2016 | Flash Flood | — | — | — | — | — | County |
| 24 Oct 2015 | Flash Flood | — | — | — | — | — | County |
| 24 Oct 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | $20M | — | 1 | — | County |
| 23 May 2015 | Flash Flood | — | — | — | 1 | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2014 | Flash Flood | — | — | — | — | — | County |
| 16 Sep 2014 | Flash Flood | — | — | — | — | — | County |
| 22 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 27 Apr 2009 | Flash Flood | — | — | — | — | — | County |
| 17 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 16 Aug 2007 | Flash Flood | — | $100K | — | — | — | County |
| 20 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 2007 | Flash Flood | — | $100K | — | — | — | County |
| 3 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 25 May 2007 | Flood | — | — | — | — | — | County |
| 2 May 2007 | Flash Flood | — | — | — | 1 | — | County |
| 30 Mar 2007 | Flash Flood | — | — | — | — | — | County |
| 26 Mar 2007 | Flash Flood | — | — | — | — | — | County |
| 13 Mar 2007 | Flash Flood | — | — | — | — | — | County |
| 11 Mar 2007 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2007 | Flash Flood | — | — | — | — | — | County |
| 10 Oct 2006 | Flash Flood | — | — | — | — | — | County |
| 8 May 2006 | Flash Flood | — | — | — | — | — | County |
| 6 May 2006 | Flash Flood | — | — | — | — | — | County |
| 18 Apr 2006 | Flash Flood | — | — | — | — | — | County |
| 17 Nov 2004 | Flood | — | — | — | — | — | Forecast zone |
| 16 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 1 Nov 2004 | Flash Flood | — | — | — | — | — | County |
| 23 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2004 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 25 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 29 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 6 Apr 2004 | Flash Flood | — | — | — | — | — | County |
| 13 Jun 2003 | Flash Flood | — | $5K | — | — | — | County |
| 21 Feb 2003 | Flash Flood | — | $5K | — | — | — | County |
| 20 Feb 2003 | Flash Flood | — | $5K | — | — | — | County |
| 24 Oct 2002 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 2 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 2 Jul 2002 | Flood | — | — | — | — | — | Forecast zone |
| 30 Jun 2002 | Flash Flood | — | $30K | — | — | — | County |
| 30 Jun 2002 | Flood | — | — | — | — | — | Forecast zone |
| 15 Nov 2001 | Flood | — | — | — | — | — | Forecast zone |
| 15 Nov 2001 | Flash Flood | — | $100K | — | 1 | 10 | County |
| 5 Sep 2001 | Flash Flood | — | $20K | — | — | — | County |
| 31 Aug 2001 | Flash Flood | — | $20K | $20K | — | — | County |
| 3 Nov 2000 | Flash Flood | — | $5K | — | — | — | County |
| 2 Nov 2000 | Flash Flood | — | $10K | — | — | — | County |
| 17 Oct 1998 | Flash Flood | — | $50K | $50K | — | — | County |
| 4 Jul 1998 | Flash Flood | — | $10K | — | — | — | County |
| 4 Jul 1998 | Flash Flood | — | $3K | — | — | — | County |
| 30 Mar 1998 | Flash Flood | — | — | — | — | — | County |
| 16 Mar 1998 | Flash Flood | — | $15K | — | — | — | County |
| 22 Jun 1997 | Flash Flood | — | $1.0M | $100K | — | — | County |
| 21 Jun 1997 | Flash Flood | — | $10K | — | — | — | County |
| 9 Jun 1997 | Flash Flood | — | $3K | — | — | — | County |
| 8 Jun 1997 | Flash Flood | — | $100K | $20K | — | — | County |
| 6 Jun 1997 | Flash Flood | — | $5K | — | — | — | County |
| 27 May 1997 | Flash Flood | — | $10K | — | — | — | County |
| 19 May 1997 | Flash Flood | — | $10K | — | — | — | County |
| 25 Apr 1997 | Flash Flood | — | $3K | — | — | — | County |
| 4 Apr 1997 | Flood | — | $8K | — | — | — | Forecast zone |
Questions and answers
How many flood events has Blanco County had?
84 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 Blanco 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 Blanco County?
The flash flood of 23 May 2015, with property damage estimated by NCEI at $20M; 1 death recorded.
How does Blanco County compare with Texas for flood?
11.8 events per 100 square miles against 6.1 statewide; the county holds 84 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.