UV Index Forecast for Illinois
Below is an interactive map of Illinois, USA. The markers on the map identify large, populated cities in Illinois. 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.
| Range | 1-2 | 3-5 | 6-7 | 8-10 | 11+ |
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |
Last Updated 15 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.