As of 11:11 AM MDT on April 2, 2026, out of 19 cities in Sweetwater County, WY in our database, 14 cities (74%) have a UV Index reading of Moderate, while 5 cities (26%) have a UV Index reading of Low. The city with the highest UV Index reading right now is McKinnon, WY with a reading of 4.3.
Over the next 24 hours, the highest UV Index reading in Sweetwater County, WY is expected to be 6.6 in McKinnon 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 |