As of 3:53 PM CST on January 25, 2026, all 1 cities in Jefferson County, MS in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Fayette, MS with a reading of 1.
Over the next 24 hours, the highest UV Index reading in Jefferson County, MS is expected to be 4.7 in Fayette between 12:00 PM - 1:00 PM CST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |