National Weather ServiceLouisianaSevere Thunderstorm WarningArchive to October 1, 2026
Severe Thunderstorm Warnings in Louisiana
The National Weather Service issued 693 severe thunderstorm warnings for Louisiana in 2025 and 467 a year on average in 2008-2025; in 2021-2025 it had the 20th most of any state. 2026 through September: 407, in line with the average of 413 for those months in 2008-2025. Caddo was covered most often (700 times since 2008).
How many severe thunderstorm warnings does Louisiana get?
Every severe thunderstorm warning that covered part of Louisiana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 407 |
| 2025 | 693 |
| 2024 | 570 |
| 2023 | 728 |
| 2022 | 333 |
| 2021 | 359 |
| 2020 | 384 |
| 2019 | 497 |
| 2018 | 388 |
| 2017 | 410 |
| 2016 | 403 |
| 2015 | 396 |
| 2014 | 330 |
| 2013 | 358 |
| 2012 | 527 |
| 2011 | 554 |
| 2010 | 370 |
| 2009 | 554 |
| 2008 | 560 |
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 |
|---|---|---|---|
| Caddo | 700 | 215 | September 5, 2026 |
| Bossier | 653 | 216 | September 8, 2026 |
| Natchitoches | 614 | 176 | August 21, 2026 |
| De Soto | 562 | 165 | September 21, 2026 |
| Bienville | 558 | 154 | September 8, 2026 |
| Winn | 525 | 142 | July 6, 2026 |
| Claiborne | 520 | 146 | September 13, 2026 |
| Tangipahoa | 510 | 148 | September 21, 2026 |
| Webster | 506 | 152 | September 7, 2026 |
| Union | 503 | 146 | September 22, 2026 |
| Sabine | 481 | 144 | September 21, 2026 |
| Calcasieu | 456 | 131 | September 7, 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.
The latest severe thunderstorm warnings for Louisiana in AreaZine's record
NWS ShreveportWarningSeptember 22, 2026
Severe Thunderstorm Warning: Ouachita and Union, LA
Expired 4:15 p.m. CDT, September 22, 2026
NWS JacksonWarningSeptember 22, 2026
Severe Thunderstorm Warning: Catahoula and Concordia, LA
Expired 2:45 p.m. CDT, September 22, 2026
NWS New OrleansWarningSeptember 21, 2026
Severe Thunderstorm Warning: St. Charles and St. John The Baptist, LA
Expired 8:00 p.m. CDT, September 21, 2026
NWS New OrleansWarningSeptember 21, 2026
Severe Thunderstorm Warning: St. Tammany, LA
Expired 7:00 p.m. CDT, September 21, 2026
NWS New OrleansWarningSeptember 21, 2026
Severe Thunderstorm Warning: St. Tammany, LA
Expired 7:00 p.m. CDT, September 21, 2026
NWS New OrleansWarningSeptember 21, 2026
Severe Thunderstorm Warning: Washington County, LA
Expired 6:15 p.m. CDT, September 21, 2026
NWS New OrleansWarningSeptember 13, 2026
Severe Thunderstorm Warning: St. Helena, Tangipahoa, Washington County and 3 more, LA and MS
Expired 7:00 p.m. CDT, September 13, 2026
NWS ShreveportWarningSeptember 7, 2026
Severe Thunderstorm Warning: Bienville, Bossier and Red River, LA
Expired 8:00 p.m. CDT, September 7, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a severe thunderstorm warning?
A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Louisiana.