Iroquois County, IL: Current UV Index and Hourly Forecast

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As of 2:25 PM CDT on September 21, 2026, out of 20 cities in Iroquois County, IL in our database, 19 cities (95%) have a UV Index reading of Low, while 1 city (5%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Wellington, IL with a reading of 2.5.

Over the next 24 hours, the highest UV Index reading in Iroquois County, IL is expected to be 5.3 in Sheldon between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Iroquois County, IL

• Ashkum - 1.7
• Beaverville - 2
• Buckley - 1.9
• Cissna Park - 1.9
• Clifton - 1.7
• Crescent City - 2
• Danforth - 1.7
• Donovan - 2.3
• Gilman - 1.7
• Iroquois - 2.2
• Loda - 1.9
• Martinton - 2
• Milford - 2
• Onarga - 1.7
• Papineau - 2
• Sheldon - 2.2
• Thawville - 1.7
• Watseka - 2
• Wellington - 2.5
• Woodland - 2