St. Tammany Parish, LA: Current UV Index and Hourly Forecast

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As of 2:47 PM CDT on May 17, 2025, all 11 cities in St. Tammany Parish, LA in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Lacombe, LA with a reading of 10.8.

Over the next 24 hours, the highest UV Index reading in St. Tammany Parish, LA is expected to be 10.9 in Folsom between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in St. Tammany Parish, LA

• Abita Springs - 10.7
• Covington - 10.7
• Eden Isle - 10.7
• Folsom - 10.6
• Lacombe - 10.8
• Lewisburg - 10.8
• Madisonville - 10.7
• Mandeville - 10.7
• Pearl River - 10.7
• Slidell - 10.7
• Sun - 10.6