Lake County, IL: Current UV Index and Hourly Forecast

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As of 1:13 PM CDT on April 21, 2025, all 55 cities in Lake County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Waukegan, IL with a reading of 3.9.

Over the next 24 hours, the highest UV Index reading in Lake County, IL is expected to be 6.6 in Round Lake Beach between 12:00 PM - 1:00 PM CDT tomorrow.

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Current UV Index in Cities in Lake County, IL

• Antioch - 2.6
• Bannockburn - 3.9
• Beach Park - 3
• Buffalo Grove - 3
• Channel Lake - 2.7
• Deer Park - 3
• Deerfield - 3.9
• Forest Lake - 3
• Fox Lake - 2.7
• Fox Lake Hills - 2.7
• Gages Lake - 3
• Grandwood Park - 2.6
• Grayslake - 3
• Green Oaks - 3
• Gurnee - 3
• Hainesville - 3
• Hawthorn Woods - 3
• Highland Park - 3.9
• Highwood - 3.9
• Indian Creek - 3
• Kildeer - 3
• Knollwood - 3
• Lake Barrington - 2.7
• Lake Bluff - 3.9
• Lake Catherine - 2.7
• Lake Forest - 3.9
• Lake Villa - 2.6
• Lake Zurich - 3
• Libertyville - 3
• Lincolnshire - 3
• Lindenhurst - 2.6
• Long Grove - 3
• Long Lake - 2.7
• Mettawa - 3
• Mundelein - 3
• North Barrington - 2.7
• North Chicago - 3.9
• Old Mill Creek - 2.6
• Park City - 3
• Port Barrington - 2.7
• Riverwoods - 3
• Round Lake - 3
• Round Lake Beach - 2.6
• Round Lake Heights - 2.6
• Round Lake Park - 3
• Third Lake - 3
• Tower Lakes - 2.7
• Venetian Village - 2.6
• Vernon Hills - 3
• Volo - 2.7
• Wadsworth - 2.6
• Wauconda - 2.7
• Waukegan - 3.9
• Winthrop Harbor - 3
• Zion - 3