As of 4:50 PM CST on January 13, 2026, all 5 cities in Grant County, AR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sheridan, AR with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Grant County, AR is expected to be 2 in Tull between 11:00 AM - 12:00 PM CST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |