As of 3:35 PM MST on February 26, 2026, out of 331 cities in Utah in our database, 238 cities (72%) have a UV Index reading of Low, while 93 cities (28%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. George, UT with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Utah is expected to be 5.8 in Kanab between 1:00 PM - 2:00 PM MST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |