UV Index for Cook County, Illinois

UV Index Forecast for Cook County, Illinois

Below is an interactive map of Cook County, il, USA. The markers on the map identify large, populated cities in Cook 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 (10:00 am) in Cook County, il is Bremen at 4.2. Today, the peak UV index for Cook County will be in Chicago, il around 1:00 pm at 7.4 (High). Over the next five days the peak UV index in Cook County will be 8.3 (Very High) and will occur on Friday, May 31st in Wheeling, il around 1:00 pm.

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

Last Updated 31 minutes ago

UV Index Forecast by City in Cook County

Below is a list of cities in Cook 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.