As of 10:55 AM PST on November 3, 2025, all 7 cities in Lyon County, NV in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Smith Valley, NV with a reading of 2.7.
Over the next 24 hours, the highest UV Index reading in Lyon County, NV is expected to be 4.2 in Smith Valley between 12:00 PM - 1:00 PM PST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |