| NWS Forecast for: St. John The Baptist Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 121 PM CDT Wed Jun 10 2026 |  |
| This Afternoon: Sunny. Near steady temperature in the upper 80s. Southeast winds 5 to 10 mph. Tonight: Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Thursday Night: Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Light and variable winds, becoming southeast around 5 mph in the afternoon. Chance of rain 40 percent. Friday Night And Saturday: Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20 percent. Saturday Night: Mostly clear. Lows in the upper 70s. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105. Sunday Night: Partly cloudy in the evening, then becoming mostly clear. A slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Monday: Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 105. Monday Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent. Tuesday: Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. | |
| Zone Forecast: St. John The Baptist Parish | |
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