As of 2:25 PM MDT on April 22, 2026, out of 19 cities in Sweetwater County, WY in our database, 13 cities (68%) have a UV Index reading of High, 5 cities (26%) have a UV Index reading of Very High, while 1 city (5%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is McKinnon, WY with a reading of 8.
Over the next 24 hours, the highest UV Index reading in Sweetwater County, WY is expected to be 8 in McKinnon 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 |