As of 3:06 PM CDT on April 20, 2025, out of 790 cities in Wisconsin in our database, 701 cities (89%) have a UV Index reading of Low, while 89 cities (11%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Egg Harbor, WI with a reading of 4.2.
Over the next 24 hours, the highest UV Index reading in Wisconsin is expected to be 5.4 in Lancaster between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |