As of 3:12 PM CST on March 6, 2026, all 15 cities in Lafourche Parish, LA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Thibodaux, LA with a reading of 3.4.
Over the next 24 hours, the highest UV Index reading in Lafourche Parish, LA is expected to be 8.1 in Thibodaux between 12:00 PM - 1:00 PM CST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |