| NWS Forecast for: St. James Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1021 AM CDT Mon Aug 31 2026 | |
| Rest Of Today: Showers likely. A chance of thunderstorms late this morning, then thunderstorms likely this afternoon. Highs around 90. East winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 106. Tonight: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. East winds around 5 mph. Chance of rain 20 percent. Tuesday: Mostly sunny. Showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. East winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 109. Tuesday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. Wednesday: Sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. East winds around 5 mph. Chance of rain 70 percent. Heat index values up to 109. Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Thursday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent. Heat index values up to 110. Thursday Night: Mostly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. Friday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70 percent. Heat index values up to 110. Friday Night: Mostly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Saturday: Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. Saturday Night: Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent. Sunday: Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. | |
| Zone Forecast: St. James Parish | |
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