Cass County, IA: Current UV Index and Hourly Forecast

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As of 7:55 PM CDT on July 9, 2025, all 8 cities in Cass County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Atlantic, IA with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Cass County, IA is expected to be 6.7 in Lewis between 12:00 PM - 1:00 PM CDT tomorrow.

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Current UV Index in Cities in Cass County, IA

• Anita - 0.7
• Atlantic - 0.7
• Cumberland - 0.7
• Griswold - 0.7
• Lewis - 0.7
• Marne - 0.7
• Massena - 0.7
• Wiota - 0.7