As of 3:50 PM CDT on June 20, 2026, all 3 cities in Thomas County, NE in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Halsey, NE with a reading of 1.6.
Over the next 24 hours, the highest UV Index reading in Thomas County, NE is expected to be 8.8 in Seneca between 1:00 PM - 2:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |