Story County, IA: Current UV Index and Hourly Forecast

As of 6:51 PM CDT on July 18, 2025, all 14 cities in Story County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Colo, IA with a reading of 1.4.

Over the next 24 hours, the highest UV Index reading in Story County, IA is expected to be 8.9 in Ames between 2:00 PM - 3:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Story County, IA as of 6:51 PM CDT, July 18, 2025

Current UV Index in Cities in Story County, IA

6:51 PM CDT, July 18, 2025