As of 3:18 PM CDT on June 18, 2026, all 11 cities in Carlton County, MN in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Cromwell, MN with a reading of 6.
Over the next 24 hours, the highest UV Index reading in Carlton County, MN is expected to be 6.4 in Esko 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 |