Johnson County, IA: Current UV Index and Hourly Forecast

As of 2:57 AM CST on November 21, 2024, all 12 cities in Johnson 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 Johnson County, IA is expected to be 2 in Tiffin between 12:00 PM - 1:00 PM CST today.

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UV Index Risk Levels
Range 0 - 23 - 56 - 78 - 1011+
Color
Risk LowModerateHighVery HighExtreme
UV Index in Johnson County, IA as of 2:57 AM CST, November 21, 2024

Current UV Index in Cities in Johnson County, IA

2:57 AM CST, November 21, 2024