As of 2:32 PM CDT on May 15, 2026, all 8 cities in Jefferson County, AR in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Altheimer, AR with a reading of 7.9.
Over the next 24 hours, the highest UV Index reading in Jefferson County, AR is expected to be 8.4 in Pine Bluff between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |