Walworth County, WI: Current UV Index and Hourly Forecast

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As of 2:34 PM CDT on April 1, 2025, all 20 cities in Walworth County, WI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lyons, WI with a reading of 3.3.

Over the next 24 hours, the highest UV Index reading in Walworth County, WI is expected to be 3.3 in Lyons between 2:00 PM - 3:00 PM CDT today.

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Current UV Index in Cities in Walworth County, WI

• Allens Grove - 3
• Big Foot Prairie - 3
• Como - 3
• Darien - 3
• Delavan - 3.1
• Delavan Lake - 3
• East Troy - 3.2
• Elkhorn - 3.2
• Genoa City - 3
• Lake Geneva - 3
• Lake Ivanhoe - 3
• Lake Lorraine - 3.1
• Lauderdale Lakes - 3.2
• Lyons - 3.3
• Potter Lake - 3.3
• Sharon - 3
• Springfield - 3.2
• Walworth - 3
• Whitewater - 3.1
• Williams Bay - 3