As of 3:15 PM CDT on July 19, 2026, all 4 cities in Isanti County, MN in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Braham, MN with a reading of 7.
Over the next 24 hours, the highest UV Index reading in Isanti County, MN is expected to be 8.2 in Cambridge between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |