Yankton County, SD: Current UV Index and Hourly Forecast

As of 5:06 AM CDT on September 1, 2025, all 7 cities in Yankton County, SD 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 Yankton County, SD is expected to be 6 in Gayville 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 Yankton County, SD as of 5:06 AM CDT, September 1, 2025

Current UV Index in Cities in Yankton County, SD

5:06 AM CDT, September 1, 2025