National Weather ServiceTexasFlood AdvisoryArchive to October 1, 2026
Flood Advisories in Texas
The National Weather Service issued 1,214 flood advisories for Texas in 2025 and 1,182 a year on average in 2008-2025; in 2021-2025 it had the 1st most of any state. 2026 through September: 1,049, in line with the average of 1,066 for those months in 2008-2025. Harris was covered most often (1,110 times since 2008).
How many flood advisories does Texas get?
Every flood advisory that covered part of Texas. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 1,064 |
| 2025 | 1,214 |
| 2024 | 1,056 |
| 2023 | 1,095 |
| 2022 | 1,008 |
| 2021 | 1,821 |
| 2020 | 898 |
| 2019 | 1,075 |
| 2018 | 1,495 |
| 2017 | 1,443 |
| 2016 | 1,687 |
| 2015 | 2,071 |
| 2014 | 1,232 |
| 2013 | 921 |
| 2012 | 848 |
| 2011 | 261 |
| 2010 | 1,346 |
| 2009 | 1,038 |
| 2008 | 773 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Texas get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Texas?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Harris | 1,110 | 239 | September 10, 2026 |
| Brazoria | 592 | 118 | September 3, 2026 |
| El Paso | 578 | 180 | September 29, 2026 |
| Hidalgo | 572 | 72 | August 3, 2026 |
| Cameron | 528 | 83 | June 20, 2026 |
| Pecos | 527 | 9 | May 24, 2023 |
| Bexar | 507 | 114 | August 29, 2026 |
| Montgomery | 497 | 130 | September 6, 2026 |
| Hudspeth | 486 | 120 | September 29, 2026 |
| Fort Bend | 479 | 82 | September 6, 2026 |
| Galveston | 465 | 97 | September 3, 2026 |
| Travis | 451 | 80 | July 11, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Texas.