As of 4:46 PM CDT on July 24, 2026, out of 10 cities in Grand Forks County, ND in our database, 9 cities (90%) have a UV Index reading of Moderate, while 1 city (10%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Thompson, ND with a reading of 5.
Over the next 24 hours, the highest UV Index reading in Grand Forks County, ND is expected to be 8 in Northwood between 2:00 PM - 3:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |