As of 4:24 AM PDT on May 17, 2026, all 2 cities in Boundary 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 Boundary County, ID is expected to be 5.8 in Bonners Ferry between 12:00 PM - 1:00 PM PDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |