St. Croix County, WI: Current UV Index and Hourly Forecast

As of 10:50 PM CDT on July 20, 2025, all 14 cities in St. Croix County, WI in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in St. Croix County, WI is expected to be 6.6 in Somerset between 3:00 PM - 4:00 PM CDT tomorrow.

Search Cities in St. Croix County, WI

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Croix County, WI as of 10:50 PM CDT, July 20, 2025

Current UV Index in Cities in St. Croix County, WI

10:50 PM CDT, July 20, 2025