As of 4:22 PM CDT on May 18, 2026, out of 903 cities in Minnesota in our database, 811 cities (90%) have a UV Index reading of Low, while 92 cities (10%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Caledonia, MN with a reading of 4.5.
Over the next 24 hours, the highest UV Index reading in Minnesota is expected to be 8 in Rushmore 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 |