Linn County, IA: Current UV Index and Hourly Forecast

As of 12:13 PM CDT on September 16, 2025, all 18 cities in Linn County, IA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Cedar Rapids, IA with a reading of 5.6.

Over the next 24 hours, the highest UV Index reading in Linn County, IA is expected to be 6.2 in Cedar Rapids 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 Linn County, IA as of 12:13 PM CDT, September 16, 2025

Current UV Index in Cities in Linn County, IA

12:13 PM CDT, September 16, 2025