Sauk County, WI: Current UV Index and Hourly Forecast

As of 2:40 AM CDT on March 22, 2026, all 16 cities in Sauk 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 Sauk County, WI is expected to be 4 in Reedsburg between 2:00 PM - 3:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Sauk County, WI as of 2:40 AM CDT, March 22, 2026

Current UV Index in Cities in Sauk County, WI

2:40 AM CDT, March 22, 2026