As of 3:37 PM CDT on July 2, 2026, out of 12 cities in Vernon County, WI in our database, 9 cities (75%) have a UV Index reading of High, 2 cities (17%) have a UV Index reading of Moderate, while 1 city (8%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Viroqua, WI with a reading of 6.9.
Over the next 24 hours, the highest UV Index reading in Vernon County, WI is expected to be 7.9 in Coon Valley 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 |