Winneshiek County, IA: Current UV Index and Hourly Forecast

As of 4:00 PM CDT on August 8, 2025, all 9 cities in Winneshiek County, IA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Castalia, IA with a reading of 3.7.

Over the next 24 hours, the highest UV Index reading in Winneshiek County, IA is expected to be 5.5 in Decorah between 12:00 PM - 1:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Winneshiek County, IA as of 4:00 PM CDT, August 8, 2025

Current UV Index in Cities in Winneshiek County, IA

4:00 PM CDT, August 8, 2025