As of 3:48 PM CDT on June 18, 2026, all 5 cities in Dallas County, AR in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Sparkman, AR with a reading of 8.7.
Over the next 24 hours, the highest UV Index reading in Dallas County, AR is expected to be 8.7 in Sparkman between 3:00 PM - 4:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |