Iroquois County, IL: Current UV Index and Hourly Forecast

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As of 2:09 PM CDT on September 21, 2025, all 20 cities in Iroquois County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Cissna Park, IL with a reading of 5.4.

Over the next 24 hours, the highest UV Index reading in Iroquois County, IL is expected to be 5.9 in Gilman between 1:00 PM - 2:00 PM CDT tomorrow.

Search Cities in Iroquois County, IL

Current UV Index in Cities in Iroquois County, IL

• Ashkum - 4.9
• Beaverville - 4.7
• Buckley - 5.4
• Cissna Park - 5.4
• Clifton - 4.9
• Crescent City - 4.5
• Danforth - 4.9
• Donovan - 4.3
• Gilman - 4.9
• Iroquois - 3.9
• Loda - 5.4
• Martinton - 4.7
• Milford - 4.5
• Onarga - 4.9
• Papineau - 4.7
• Sheldon - 3.9
• Thawville - 4.9
• Watseka - 4.5
• Wellington - 5.2
• Woodland - 4.5