As of 9:03 PM MDT on July 31, 2026, all 2 cities in Gem County, ID in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Gem County, ID is expected to be 5.9 in Emmett between 12:00 PM - 1:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |