As of 2:33 PM MDT on June 27, 2025, out of 14 cities in Fremont County, WY in our database, 13 cities (93%) have a UV Index reading of Very High, while 1 city (7%) have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Dubois, WY with a reading of 10.5.
Over the next 24 hours, the highest UV Index reading in Fremont County, WY is expected to be 10.7 in Atlantic City 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 |