Jefferson County, AR: Current UV Index and Hourly Forecast

As of 3:02 AM CDT on July 12, 2025, all 8 cities in Jefferson County, AR 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 Jefferson County, AR is expected to be 11.1 in Altheimer between 1:00 PM - 2:00 PM CDT today.

Search Cities in Jefferson County, AR

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Jefferson County, AR as of 3:02 AM CDT, July 12, 2025

Current UV Index in Cities in Jefferson County, AR

3:02 AM CDT, July 12, 2025