As of 10:22 PM MDT on May 15, 2026, all 5 cities in Cassia 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 Cassia County, ID is expected to be 5.3 in Burley between 2:00 PM - 3:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |