As of 10:08 AM CDT on August 21, 2026, out of 11 cities in Clark County, WI in our database, 7 cities (64%) have a UV Index reading of Low, while 4 cities (36%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Dorchester, WI with a reading of 2.7.
Over the next 24 hours, the highest UV Index reading in Clark County, WI is expected to be 5.1 in Humbird between 3:00 PM - 4:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |