As of 2:35 PM CST on February 27, 2026, all 10 cities in Lamar County, TX in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Roxton, TX with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in Lamar County, TX is expected to be 5 in Roxton between 12:00 PM - 1:00 PM CST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |