Columbia County, WI: Current UV Index and Hourly Forecast

As of 1:38 AM CDT on June 28, 2025, all 15 cities in Columbia 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 Columbia County, WI is expected to be 9.3 in Lake Wisconsin between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Columbia County, WI as of 1:38 AM CDT, June 28, 2025

Current UV Index in Cities in Columbia County, WI

1:38 AM CDT, June 28, 2025