McLean County, IL: Current UV Index and Hourly Forecast

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As of 5:51 PM CDT on March 12, 2026, all 23 cities in McLean County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Colfax, IL with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in McLean County, IL is expected to be 3.9 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 - 0.5
• Arrowsmith - 0.4
• Bellflower - 0.5
• Bloomington - 0.3
• Carlock - 0.3
• Chenoa - 0.4
• Colfax - 0.5
• Cooksville - 0.4
• Danvers - 0.3
• Downs - 0.3
• Ellsworth - 0.4
• Gridley - 0.3
• Heyworth - 0.4
• Hudson - 0.3
• Le Roy - 0.4
• Lexington - 0.4
• McLean - 0.3
• Normal - 0.3
• Saybrook - 0.5
• Shirley - 0.3
• Stanford - 0.3
• Towanda - 0.3
• Twin Grove - 0.3