O'Brien County, IA: Current UV Index and Hourly Forecast

As of 1:44 PM CST on January 18, 2026, all 8 cities in O'Brien County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Hartley, IA with a reading of 1.1.

Over the next 24 hours, the highest UV Index reading in O'Brien County, IA is expected to be 1.1 in Sheldon between 12:00 PM - 1:00 PM CST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in O'Brien County, IA as of 1:44 PM CST, January 18, 2026

Current UV Index in Cities in O'Brien County, IA

1:44 PM CST, January 18, 2026