Hamilton County, IA: Current UV Index and Hourly Forecast

As of 10:34 AM CDT on June 28, 2025, all 8 cities in Hamilton County, IA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Webster City, IA with a reading of 4.6.

Over the next 24 hours, the highest UV Index reading in Hamilton County, IA is expected to be 9.4 in Stratford 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 Hamilton County, IA as of 10:34 AM CDT, June 28, 2025

Current UV Index in Cities in Hamilton County, IA

10:34 AM CDT, June 28, 2025