Winona County, MN: Current UV Index and Hourly Forecast

As of 3:08 PM CDT on September 29, 2025, all 14 cities in Winona County, MN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. Charles, MN with a reading of 3.5.

Over the next 24 hours, the highest UV Index reading in Winona County, MN is expected to be 4.2 in St. Charles between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Winona County, MN as of 3:08 PM CDT, September 29, 2025

Current UV Index in Cities in Winona County, MN

3:08 PM CDT, September 29, 2025