As of 6:44 PM CDT on May 18, 2025, all 10 cities in Jefferson County, KS in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Perry, KS with a reading of 1.5.
Over the next 24 hours, the highest UV Index reading in Jefferson County, KS is expected to be 4.4 in Perry between 4:00 PM - 5:00 PM CDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |