As of 11:26 AM MDT on April 14, 2026, out of 8 cities in Grand County, CO in our database, 6 cities (75%) have a UV Index reading of Moderate, while 2 cities (25%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Kremmling, CO with a reading of 4.3.
Over the next 24 hours, the highest UV Index reading in Grand County, CO is expected to be 7.4 in Granby between 2:00 PM - 3:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |