McLean County, IL: Current UV Index and Hourly Forecast

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As of 4:10 PM CDT on June 1, 2026, out of 23 cities in McLean County, IL in our database, 20 cities (87%) have a UV Index reading of Low, while 3 cities (13%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lexington, IL with a reading of 4.4.

Over the next 24 hours, the highest UV Index reading in McLean County, IL is expected to be 8.9 in Bloomington between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in McLean County, IL

• Anchor - 2
• Arrowsmith - 1.5
• Bellflower - 1.1
• Bloomington - 1.3
• Carlock - 1.4
• Chenoa - 4.4
• Colfax - 2
• Cooksville - 1.5
• Danvers - 1.4
• Downs - 1.3
• Ellsworth - 1.5
• Gridley - 3.8
• Heyworth - 1.2
• Hudson - 1.3
• Le Roy - 1.1
• Lexington - 4.4
• McLean - 1.6
• Normal - 1.3
• Saybrook - 2
• Shirley - 1.3
• Stanford - 1.4
• Towanda - 1.3
• Twin Grove - 1.3