| NWS Forecast for: St. James Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1126 PM CDT Sat Jul 18 2026 | |
Rest Of Tonight: Clear. Lows in the mid 70s. West winds around 5 mph. Sunday: Sunny with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 111. Sunday Night: Partly cloudy. Humid with lows in the upper 70s. West winds around 5 mph. Heat index values up to 110 early in the evening. Monday: Sunny with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 112. Monday Night: Partly cloudy in the evening, then becoming mostly clear. A slight chance of showers and thunderstorms. Humid with lows in the upper 70s. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109 early in the evening. Tuesday: Sunny with a slight chance of showers and thunderstorms. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 110. Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. Wednesday: Sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 115. Wednesday Night: Partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 115. Thursday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. Friday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. Friday Night: Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. Saturday: Mostly sunny with a chance of thunderstorms. A chance of showers. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. | |
| Zone Forecast: St. James Parish | |
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