As of 1:58 PM CDT on July 4, 2026, out of 10 cities in Grand Forks County, ND in our database, 7 cities (70%) have a UV Index reading of Moderate, 2 cities (20%) have a UV Index reading of Low, while 1 city (10%) have a UV Index reading of High. The city with the highest UV Index reading right now is Northwood, ND with a reading of 5.6.
Over the next 24 hours, the highest UV Index reading in Grand Forks County, ND is expected to be 7.3 in Thompson between 12:00 PM - 1:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |