Sioux County, IA: Current UV Index and Hourly Forecast

As of 4:57 AM CDT on May 17, 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 6.6 in Hawarden between 3:00 PM - 4:00 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 4:57 AM CDT, May 17, 2025

Current UV Index in Cities in Sioux County, IA

4:57 AM CDT, May 17, 2025