Boone County, IL: Current UV Index and Hourly Forecast

As of 3:45 AM CST on November 21, 2024, all 8 cities in Boone County, IL in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Boone County, IL is expected to be 0.6 in Belvidere between 11:00 AM - 12:00 PM CST today.

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UV Index Risk Levels
Range 0 - 23 - 56 - 78 - 1011+
Color
Risk LowModerateHighVery HighExtreme
UV Index in Boone County, IL as of 3:45 AM CST, November 21, 2024

Current UV Index in Cities in Boone County, IL

3:45 AM CST, November 21, 2024