National Weather ServiceLouisianaFlood WatchArchive to October 1, 2026
Flood Watches in Louisiana
The National Weather Service issued 30 flood watches for Louisiana in 2025 and 12 a year on average in 2008-2025; in 2021-2025 it had the 18th most of any state. 2026 through September: 19, 92% above the average of 10 for those months in 2008-2025. Allen was covered most often (54 times since 2008).
How many flood watches does Louisiana get?
Every flood watch that covered part of Louisiana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 19 |
| 2025 | 30 |
| 2024 | 59 |
| 2023 | 25 |
| 2022 | 23 |
| 2021 | 10 |
| 2020 | 4 |
| 2019 | 1 |
| 2018 | 1 |
| 2017 | 0 |
| 2016 | 3 |
| 2015 | 20 |
| 2014 | 13 |
| 2013 | 4 |
| 2012 | 2 |
| 2011 | 2 |
| 2010 | 5 |
| 2009 | 4 |
| 2008 | 2 |
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 Louisiana 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 Louisiana?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Allen | 54 | 29 | June 15, 2026 |
| Washington | 45 | 24 | June 15, 2026 |
| Upper St. Bernard | 43 | 25 | June 15, 2026 |
| Upper Plaquemines | 43 | 25 | June 15, 2026 |
| Upper Jefferson | 43 | 25 | June 15, 2026 |
| St. John The Baptist | 42 | 25 | June 15, 2026 |
| Rapides | 42 | 24 | June 15, 2026 |
| Upper Terrebonne | 41 | 23 | June 15, 2026 |
| Upper Lafourche | 41 | 23 | June 15, 2026 |
| Beauregard | 40 | 26 | June 15, 2026 |
| St. Charles | 39 | 21 | January 9, 2026 |
| St. James | 38 | 23 | June 15, 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 watch?
A flood watch means conditions may lead to flooding in the coming day or days; it is not yet happening. A watch means the conditions for the hazard are possible or favourable, but it is not yet happening: be ready to act if a warning follows. The national record · Every warning type in Louisiana.