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

As of 9:34 AM CDT on August 2, 2025, all 11 cities in St. Tammany Parish, LA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Slidell, LA with a reading of 2.8.

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

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Tammany Parish, LA as of 9:34 AM CDT, August 2, 2025

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

9:34 AM CDT, August 2, 2025