UV Index for Jefferson County, Illinois

UV Index Forecast for Jefferson County, Illinois

Below is an interactive map of Jefferson County, il, USA. The markers on the map identify large, populated cities in Jefferson County. If you hover over a marker, it will display the city name and the current UV index. The color of the city markers also references the current UV risk level.

The city with the highest UV index this hour (9:00 am) in Jefferson County, il is Pendleton at 2.7. Today, the peak UV index for Jefferson County will be in Casner, il around 1:00 pm at 8.5 (Very High). Over the next five days the peak UV index in Jefferson County will be 9.2 (Very High) and will occur on Friday, May 31st in Casner, il around 1:00 pm.

Range 1-2 3-5 6-7 8-10 11+
Risk Low Moderate High Very High Extreme

Last Updated 12 minutes ago

UV Index Forecast by City in Jefferson County

Below is a list of cities in Jefferson County, il where we track and forecast the UV index. Click on a city name to get the current UV index, hourly UV index for the day and the next five days.