As of 4:25 PM MDT on June 9, 2026, out of 13 cities in Sanpete County, UT in our database, 12 cities (92%) have a UV Index reading of High, while 1 city (8%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mount Pleasant, UT with a reading of 6.4.
Over the next 24 hours, the highest UV Index reading in Sanpete County, UT is expected to be 11 in Ephraim 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 |