As of 9:05 PM CDT on September 15, 2025, all 2 cities in St. Helena Parish, LA in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in St. Helena Parish, LA is expected to be 8.1 in Greensburg 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 |