Download the UV Index Today app - Get daily UV alerts

UV Index for Illinois, KS

Current Illinois UV Index

0 (Low)

Last Updated 42 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Illinois UV Index

The hourly Illinois, KS UV Index forecast for Monday, March 23rd, 2026.

5 Day Hourly Illinois UV Index Forecast

Last Updated 2 days ago