As of 11:18 AM CDT on June 25, 2025, out of 488 cities in Louisiana in our database, 487 cities (100%) have a UV Index reading of Very High, while 1 city (0%) have a UV Index reading of High. The city with the highest UV Index reading right now is Slidell, LA with a reading of 8.3.
Over the next 24 hours, the highest UV Index reading in Louisiana is expected to be 11.1 in Youngsville 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 |