As of 5:56 PM CDT on August 28, 2025, all 4 cities in Richland Parish, LA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Mangham, LA with a reading of 0.8.
Over the next 24 hours, the highest UV Index reading in Richland Parish, LA is expected to be 6.2 in Rayville between 2:00 PM - 3:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |