Download the UV Index Today app - Get daily UV alerts

UV Index for McLean, IL

Current McLean UV Index

0 (Low)

Last Updated 4 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly McLean UV Index

The hourly McLean, IL UV Index forecast for Friday, September 25th, 2026.

5 Day Hourly McLean UV Index Forecast

Last Updated 20 hours ago