As of 1:54 PM MDT on June 10, 2026, all 11 cities in Fremont County, CO in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Coaldale, CO with a reading of 11.9.
Over the next 24 hours, the highest UV Index reading in Fremont County, CO is expected to be 11.9 in Coaldale between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |