The city with the highest UV index this hour (1:00 am)
in Illinois, USA is
York at 0 (Low). Today, the peak UV
index for Illinois will be in Chicago, around 3:00 pm at
3.4 (Moderate).
Over the next five days the peak UV index in Illinois
will be 7.2 (High)
and will occur on Tuesday, April 22nd in Chicago around 1:00 pm.
Range
1-2
3-5
6-7
8-10
11+
Color
Risk
Low
Moderate
High
Very High
Extreme
Last Updated 33 minutes ago
UV Index Forecast by County in Illinois
Below is a list of counties in Illinois, USA. Click on any county below and you'll get a list of cities where we provide UV index forecasts.