As of 2:43 PM CDT on September 12, 2026, all 8 cities in Watonwan County, MN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Butterfield, MN with a reading of 5.2.
Over the next 24 hours, the highest UV Index reading in Watonwan County, MN is expected to be 5.2 in Butterfield between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |