As of 10:24 AM CDT on June 21, 2026, out of 15 cities in Lafourche Parish, LA in our database, 11 cities (73%) have a UV Index reading of Moderate, while 4 cities (27%) have a UV Index reading of High. The city with the highest UV Index reading right now is Chackbay, LA with a reading of 5.7.
Over the next 24 hours, the highest UV Index reading in Lafourche Parish, LA is expected to be 11.6 in Larose between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |