UV Index for Johnson County, Illinois

UV Index Forecast for Johnson County, Illinois

Below is an interactive map of Johnson County, il, USA. The markers on the map identify large, populated cities in Johnson 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 (11:00 pm) in Johnson County, il is Simpson at 0. Today, the peak UV index for Johnson County will be in Vienna, il around 1:00 pm at 10.5 (Very High). Over the next five days the peak UV index in Johnson County will be 10.5 (Very High) and will occur on Saturday, June 25th in Vienna, il around 1:00 pm.

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

Last Updated 25 minutes ago

UV Index Forecast by City in Johnson County

Below is a list of cities in Johnson 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.