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 (5:00 am) 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 8.3 (Very High). Over the next five days the peak UV index in Johnson County will be 8.3 (Very High) and will occur on Monday, April 21st 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 36 minutes ago