As of 10:22 AM MST on December 21, 2025, all 5 cities in Dunn County, ND in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Halliday, ND with a reading of 0.5.
Over the next 24 hours, the highest UV Index reading in Dunn County, ND is expected to be 0.8 in Halliday between 11:00 AM - 12:00 PM MST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |