As of 5:36 PM CDT on June 16, 2026, out of 57 cities in Hidalgo County, TX in our database, 51 cities (89%) have a UV Index reading of Moderate, while 6 cities (11%) have a UV Index reading of Low. The city with the highest UV Index reading right now is McAllen, TX with a reading of 3.9.
Over the next 24 hours, the highest UV Index reading in Hidalgo County, TX is expected to be 11.9 in McAllen between 2:00 PM - 3:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |