As of 11:05 AM MDT on May 11, 2026, out of 3 cities in Caribou County, ID in our database, 2 cities (67%) have a UV Index reading of Moderate, while 1 city (33%) have a UV Index reading of High. The city with the highest UV Index reading right now is Grace, ID with a reading of 5.5.
Over the next 24 hours, the highest UV Index reading in Caribou County, ID is expected to be 8.1 in Grace 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 |