As of 2:37 PM CDT on April 1, 2025, out of 25 cities in Jefferson County, MO in our database, 16 cities (64%) have a UV Index reading of High, while 9 cities (36%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Cedar Hill, MO with a reading of 5.8.
Over the next 24 hours, the highest UV Index reading in Jefferson County, MO is expected to be 5.8 in Cedar Hill between 2:00 PM - 3:00 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 |