As of 9:48 PM PST on February 10, 2026, all 5 cities in Morrow County, OR 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 Morrow County, OR is expected to be 1.9 in Heppner between 12:00 PM - 1:00 PM PST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |