As of 2:40 PM CDT on July 14, 2025, out of 14 cities in St. Charles Parish, LA in our database, 11 cities (79%) have a UV Index reading of Very High, while 3 cities (21%) have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Des Allemands, LA with a reading of 10.6.
Over the next 24 hours, the highest UV Index reading in St. Charles Parish, LA is expected to be 10.9 in Des Allemands between 12:00 PM - 1:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |