As of 1:00 PM MDT on August 29, 2026, out of 13 cities in Sanpete County, UT in our database, 7 cities (54%) have a UV Index reading of Moderate, 5 cities (38%) have a UV Index reading of Low, while 1 city (8%) have a UV Index reading of High. The city with the highest UV Index reading right now is Fountain Green, UT with a reading of 5.9.
Over the next 24 hours, the highest UV Index reading in Sanpete County, UT is expected to be 7.9 in Ephraim between 12:00 PM - 1:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |