As of 12:52 PM MST on December 14, 2025, out of 331 cities in Utah in our database, 290 cities (88%) have a UV Index reading of Low, while 41 cities (12%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Kanab, UT with a reading of 2.7.
Over the next 24 hours, the highest UV Index reading in Utah is expected to be 2.7 in Kanab between 12:00 PM - 1:00 PM MST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |