As of 2:50 PM CDT on April 21, 2026, out of 621 cities in Arkansas in our database, 469 cities (76%) have a UV Index reading of High, 87 cities (14%) have a UV Index reading of Moderate, 51 cities (8%) have a UV Index reading of Very High, while 14 cities (2%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Lacey, AR with a reading of 7.8.
Over the next 24 hours, the highest UV Index reading in Arkansas is expected to be 8.6 in Maumelle 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 |