As of 3:53 PM CDT on March 20, 2025, all 15 cities in Lafourche Parish, LA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Thibodaux, LA with a reading of 5.8.
Over the next 24 hours, the highest UV Index reading in Lafourche Parish, LA is expected to be 8.2 in Galliano between 1:00 PM - 2:00 PM CDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |