McLean County, IL: Current UV Index and Hourly Forecast

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As of 3:58 PM CDT on October 3, 2025, out of 23 cities in McLean County, IL in our database, 18 cities (78%) have a UV Index reading of Moderate, while 5 cities (22%) have a UV Index reading of Low. The city with the highest UV Index reading right now is McLean, IL with a reading of 3.8.

Over the next 24 hours, the highest UV Index reading in McLean County, IL is expected to be 5.8 in Le Roy between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in McLean County, IL

• Anchor - 1.6
• Arrowsmith - 2.6
• Bellflower - 0.8
• Bloomington - 3.6
• Carlock - 3.7
• Chenoa - 3.6
• Colfax - 1.6
• Cooksville - 2.6
• Danvers - 3.7
• Downs - 3.6
• Ellsworth - 2.6
• Gridley - 2.8
• Heyworth - 3.6
• Hudson - 3.6
• Le Roy - 1
• Lexington - 3.6
• McLean - 3.8
• Normal - 3.6
• Saybrook - 1.6
• Shirley - 3.6
• Stanford - 3.7
• Towanda - 3.6
• Twin Grove - 3.6