Jefferson Parish weather alerts
There are no active weather alerts for Jefferson Parish, LA right now.
Since 2016 the National Weather Service has issued about 1,585 alerts that included Jefferson Parish, roughly 159 a year. The most common is the flood advisory (316 from 2016 to 2025). The last tornado warning was issued on June 18, 2026. 70 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Jefferson Parish at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring St. Charles Parish, Orleans Parish, Lafourche Parish, St. John the Baptist Parish.
Jefferson Parish alert history
Alert events that included Jefferson Parish or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 316 | 37 | October 31, 2026 |
| Dense Fog Advisory | 231 | 19 | October 15, 2026 |
| Heat Advisory | 157 | 24 | September 7, 2026 |
| Severe Thunderstorm Warning | 149 | 20 | August 24, 2026 |
| Flash Flood Warning | 137 | 25 | October 31, 2026 |
| Wind Advisory | 104 | 5 | October 16, 2026 |
| Flood Watch | 80 | 6 | October 3, 2026 |
| Coastal Flood Advisory | 65 | 8 | October 9, 2026 |
| Tornado Watch | 53 | 3 | June 18, 2026 |
| Extreme Heat Warning | 47 | 8 | August 21, 2026 |
| Tornado Warning | 44 | 8 | June 18, 2026 |
| Freeze Warning | 34 | 4 | February 2, 2026 |
| Extreme Heat Watch | 28 | 3 | August 17, 2026 |
| Flood Warning | 16 | 1 | July 5, 2026 |
| Cold Weather Advisory | 15 | 0 | December 15, 2025 |
| Severe Thunderstorm Watch | 14 | 1 | August 24, 2026 |
| Tropical Storm Warning | 14 | 1 | July 21, 2026 |
| Storm Surge Warning | 9 | 0 | September 9, 2024 |
| High Wind Warning | 9 | 0 | March 15, 2025 |
| Freeze Watch | 8 | 1 | February 2, 2026 |
| Hurricane Watch | 8 | 0 | September 9, 2024 |
| Tropical Storm Watch | 8 | 1 | July 20, 2026 |
| Red Flag Warning | 8 | 2 | February 23, 2026 |
| Coastal Flood Warning | 7 | 0 | October 12, 2023 |
| Hurricane Warning | 7 | 0 | September 10, 2024 |
| Winter Weather Advisory | 6 | 0 | January 21, 2025 |
| High Wind Watch | 3 | 0 | March 4, 2025 |
| Fire Weather Watch | 3 | 0 | November 1, 2023 |
| Extreme Cold Watch | 2 | 2 | January 31, 2026 |
| Extreme Cold Warning | 1 | 2 | January 31, 2026 |
| Winter Storm Watch | 1 | 0 | January 21, 2025 |
| Winter Storm Warning | 1 | 0 | January 21, 2025 |
Tornado history in Jefferson Parish
70 tornadoes have been recorded in Jefferson Parish since 1950, killing 5 people and injuring 88. That ranks 10 of 64 counties in Louisiana. The most recent was on May 2, 2025 (rated EF0).
Strongest tornadoes in Jefferson Parish
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 22, 2022 | EF3 | Jefferson Parish | 11.5 mi | 320 yd | 1 | 2 |
| April 8, 1993 | F2 | Jefferson Parish | 6 mi | 250 yd | 3 | 39 |
| March 10, 1971 | F2 | Jefferson Parish | 7.5 mi | 300 yd | 1 | 7 |
| October 3, 1964 | F2 | Jefferson Parish | 14.2 mi | 83 yd | 0 | 5 |
| December 14, 2022 | EF2 | Jefferson Parish | 10.6 mi | 200 yd | 0 | 10 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 2, 2025 | EF0 | Jefferson Parish | 0.5 mi | 20 yd | 0 | 0 |
| September 2, 2023 | EF0 | Jefferson Parish | 0.7 mi | 75 yd | 0 | 0 |
| January 24, 2023 | ? | Jefferson Parish | 2.9 mi | 100 yd | 0 | 0 |
| December 14, 2022 | EF2 | Jefferson Parish | 10.6 mi | 200 yd | 0 | 10 |
| March 22, 2022 | EF3 | Jefferson Parish | 11.5 mi | 320 yd | 1 | 2 |
About Jefferson Parish
- Population: 427,253 (2024 estimate)
- State: Louisiana
- NOAA Weather Radio SAME code: 022051 (how to use it)