As of 3:56 PM MDT on May 1, 2026, out of 5 cities in Rio Grande County, CO in our database, 4 cities (80%) have a UV Index reading of Moderate, while 1 city (20%) have a UV Index reading of High. The city with the highest UV Index reading right now is South Fork, CO with a reading of 6.
Over the next 24 hours, the highest UV Index reading in Rio Grande County, CO is expected to be 10.2 in South Fork 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 |