As of 7:24 AM CDT on October 21, 2025, all 4 cities in Isanti County, MN 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 Isanti County, MN is expected to be 0.6 in Cambridge between 11:00 AM - 12:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |