As of 11:55 AM CDT on April 5, 2026, all 10 cities in Willacy County, TX in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Santa Monica, TX with a reading of 1.2.
Over the next 24 hours, the highest UV Index reading in Willacy County, TX is expected to be 1.2 in Santa Monica between 11:00 AM - 12:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |