| NWS Forecast for: St. James Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 121 AM CDT Wed Jun 17 2026 |  |
Rest Of Tonight: Showers likely with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 70s. Southeast winds around 5 mph. Chance of rain 70 percent. Wednesday: Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 60 percent. Wednesday Night: Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Very windy and humid with lows in the upper 70s. South winds 25 to 35 mph with gusts up to 45 mph. Chance of rain 90 percent. Thursday: Partly sunny. Showers and thunderstorms likely, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Heat index values up to 108. Thursday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 106 early in the evening. Juneteenth: 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. Friday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. Saturday: Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 60 percent. Heat index values up to 105. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 70s. Sunday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. Sunday Night: Partly cloudy. Lows in the upper 70s. Monday And Monday Night: Mostly clear. Highs in the lower 90s. Lows in the upper 70s. Heat index values up to 110. Tuesday: 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. | |
| Zone Forecast: St. James Parish | |
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