As of 10:11 AM CDT on June 12, 2026, all 4 cities in Smith County, TN in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Carthage, TN with a reading of 5.7.
Over the next 24 hours, the highest UV Index reading in Smith County, TN is expected to be 8.1 in Carthage between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |