| NWS Forecast for: St. James Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 121 AM CDT Wed Jul 15 2026 |  |
| Rest Of Tonight: Mostly cloudy. Near steady temperature in the mid 70s. Light and variable winds. Wednesday: Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Light and variable winds, becoming west around 5 mph in the afternoon. Chance of rain 20 percent. Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Light and variable winds. Thursday: Sunny with highs in the mid 90s. Light and variable winds, becoming southwest around 5 mph in the afternoon. Heat index values up to 108. Thursday Night: Mostly clear. Humid with lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Heat index values up to 106 early in the evening. Friday Through Saturday: Partly cloudy. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. Saturday Night Through Monday Night: Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 110. Tuesday: 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. | |
| Zone Forecast: St. James Parish | |
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