| NWS Forecast for: Southwestern St. Tammany Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 535 AM CDT Fri Jun 12 2026 | |
| Today: Mostly sunny. Highs in the lower 90s. Light and variable winds, becoming south around 5 mph this afternoon. Heat index values up to 105. Tonight: Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Saturday: Sunny with highs in the lower 90s. Southwest winds around 5 mph. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the upper 70s. Southwest winds 5 to 10 mph. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106. Sunday Night: Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 70s. Chance of rain 40 percent. Monday: Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Monday Night: A chance of thunderstorms. Showers likely. Lows in the mid 70s. Chance of rain 70 percent. Tuesday: Showers. A chance of thunderstorms in the morning, then thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 90 percent. Tuesday Night And Wednesday: Showers likely with a chance of thunderstorms. Lows in the mid 70s. Highs in the upper 80s. Chance of rain 70 percent. Wednesday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Thursday: Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 110. | |
| Zone Forecast: Southwestern St. Tammany | |
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