Union County, IA: Current UV Index and Hourly Forecast

As of 12:05 AM CDT on July 31, 2025, all 8 cities in Union 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 Union County, IA is expected to be 7 in Lorimor between 1:00 PM - 2:00 PM CDT today.

Search Cities in Union County, IA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Union County, IA as of 12:05 AM CDT, July 31, 2025

Current UV Index in Cities in Union County, IA

12:05 AM CDT, July 31, 2025