As of 3:15 PM MDT on October 31, 2025, all 2 cities in Dallam County, TX in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Dalhart, TX with a reading of 1.5.
Over the next 24 hours, the highest UV Index reading in Dallam County, TX is expected to be 4.4 in Texline 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 |