St. Helena Parish weather alerts
There are no active weather alerts for St. Helena Parish, LA right now.
Since 2016 the National Weather Service has issued about 1,180 alerts that included St. Helena Parish, roughly 118 a year. The most common is the severe thunderstorm warning (193 from 2016 to 2025). The last tornado warning was issued on April 25, 2026. 24 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 St. Helena Parish at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Tangipahoa Parish, Amite County, East Baton Rouge Parish, East Feliciana Parish.
St. Helena Parish alert history
Alert events that included St. Helena Parish or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 193 | 29 | September 13, 2026 |
| Dense Fog Advisory | 169 | 15 | October 15, 2026 |
| Heat Advisory | 144 | 20 | September 7, 2026 |
| Flood Advisory | 84 | 5 | September 10, 2026 |
| Tornado Watch | 79 | 5 | June 18, 2026 |
| Flood Watch | 74 | 4 | June 15, 2026 |
| Tornado Warning | 73 | 4 | April 25, 2026 |
| Flash Flood Warning | 59 | 7 | September 10, 2026 |
| Wind Advisory | 50 | 1 | October 16, 2026 |
| Flood Warning | 48 | 5 | June 18, 2026 |
| Extreme Heat Warning | 39 | 5 | August 21, 2026 |
| Severe Thunderstorm Watch | 30 | 4 | August 24, 2026 |
| Extreme Heat Watch | 26 | 2 | August 17, 2026 |
| Freeze Warning | 23 | 2 | March 17, 2026 |
| Cold Weather Advisory | 22 | 1 | January 25, 2026 |
| Red Flag Warning | 15 | 5 | October 17, 2026 |
| Freeze Watch | 11 | 1 | March 17, 2026 |
| Winter Weather Advisory | 7 | 1 | January 25, 2026 |
| Tropical Storm Warning | 7 | 0 | September 9, 2024 |
| Tropical Storm Watch | 5 | 0 | September 9, 2024 |
| High Wind Warning | 5 | 0 | March 4, 2025 |
| Fire Weather Watch | 4 | 2 | October 17, 2026 |
| Winter Storm Warning | 3 | 0 | January 21, 2025 |
| Extreme Cold Watch | 2 | 2 | January 31, 2026 |
| Winter Storm Watch | 2 | 1 | January 25, 2026 |
| High Wind Watch | 2 | 0 | March 4, 2025 |
| Frost Advisory | 1 | 0 | April 2, 2021 |
| Hurricane Watch | 1 | 0 | August 27, 2021 |
| Hurricane Warning | 1 | 0 | August 27, 2021 |
| Extreme Cold Warning | 1 | 2 | January 31, 2026 |
Tornado history in St. Helena Parish
24 tornadoes have been recorded in St. Helena Parish since 1950, killing 2 people and injuring 44. That ranks 52 of 64 counties in Louisiana. The most recent was on June 4, 2024 (rated EF0).
Strongest tornadoes in St. Helena Parish
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 19, 1983 | F3 | St. Helena Parish | 12 mi | 500 yd | 1 | 35 |
| November 15, 2006 | F2 | St. Helena Parish | 6 mi | 100 yd | 1 | 2 |
| December 4, 1973 | F2 | East Baton Rouge Parish | 42.7 mi | 80 yd | 0 | 3 |
| June 8, 1989 | F2 | Livingston Parish | 4 mi | 50 yd | 0 | 0 |
| June 17, 1968 | F2 | St. Helena Parish | 0.1 mi | 17 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 4, 2024 | EF0 | St. Helena Parish | 4.4 mi | 75 yd | 0 | 0 |
| June 4, 2024 | EF1 | St. Helena Parish | 3.1 mi | 100 yd | 0 | 0 |
| May 19, 2019 | EF0 | St. Helena Parish | 0.2 mi | 30 yd | 0 | 0 |
| April 7, 2019 | EF1 | St. Helena Parish | 1.5 mi | 75 yd | 0 | 0 |
| November 1, 2018 | EF1 | St. Helena Parish | 1.1 mi | 75 yd | 0 | 0 |
About St. Helena Parish
- Population: 10,857 (2024 estimate)
- State: Louisiana
- NOAA Weather Radio SAME code: 022091 (how to use it)