As of 8:54 AM CDT on June 29, 2025, all 10 cities in Decatur County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Leon, IA with a reading of 1.2.
Over the next 24 hours, the highest UV Index reading in Decatur County, IA is expected to be 10 in Le Roy between 1:00 PM - 2:00 PM CDT today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |