As of 4:32 PM CDT on May 18, 2026, out of 488 cities in Louisiana in our database, 317 cities (65%) have a UV Index reading of Moderate, 147 cities (30%) have a UV Index reading of High, while 24 cities (5%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Crowley, LA with a reading of 5.9.
Over the next 24 hours, the highest UV Index reading in Louisiana is expected to be 11.8 in Venice between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |