Jefferson County, AR: Current UV Index and Hourly Forecast

As of 9:00 AM CDT on April 19, 2025, all 8 cities in Jefferson County, AR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Altheimer, AR with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in Jefferson County, AR is expected to be 8.4 in Altheimer between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Jefferson County, AR as of 9:00 AM CDT, April 19, 2025

Current UV Index in Cities in Jefferson County, AR

9:00 AM CDT, April 19, 2025