As of 11:16 AM MDT on August 22, 2025, out of 204 cities in Wyoming in our database, 157 cities (77%) have a UV Index reading of High, while 47 cities (23%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lusk, WY with a reading of 6.6.
Over the next 24 hours, the highest UV Index reading in Wyoming is expected to be 9.4 in Smoot 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 |