Sioux County, IA: Current UV Index and Hourly Forecast

As of 4:27 AM CDT on October 10, 2025, all 13 cities in Sioux County, IA 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 Sioux County, IA is expected to be 4.2 in Sioux Center 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 Sioux County, IA as of 4:27 AM CDT, October 10, 2025

Current UV Index in Cities in Sioux County, IA

4:27 AM CDT, October 10, 2025