As of 1:13 PM CDT on April 19, 2026, 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 High. The city with the highest UV Index reading right now is Luling, LA with a reading of 8.9.
Over the next 24 hours, the highest UV Index reading in St. Charles Parish, LA is expected to be 8.9 in Luling 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 |