| NWS Forecast for: St. John The Baptist Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 221 AM CDT Tue Apr 21 2026 |  |
| Rest Of Tonight: Partly cloudy. Near steady temperature in the mid 50s. Northeast winds around 5 mph. Tuesday: Partly sunny. Highs in the lower 80s. East winds 10 to 15 mph, becoming southeast in the afternoon. Tuesday Night: Mostly cloudy. Not as cool with lows in the mid 60s. Southeast winds 5 to 10 mph. Wednesday: Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the lower 60s. Southeast winds 5 to 10 mph. Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. Thursday Night: Partly cloudy. Lows in the upper 60s. Friday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. Friday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. Saturday: Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. Saturday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. Sunday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. Sunday Night And Monday: Mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 20 percent. | |
| Zone Forecast: St. John The Baptist Parish | |
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