| NWS Forecast for: St. James Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1046 AM CDT Thu Aug 13 2026 |  |
This Afternoon: Sunny. Highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 109. Tonight: 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 105 early in the evening. Friday: Mostly sunny. Humid with highs in the upper 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Heat index values up to 111. Friday Night: Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Heat index values up to 109 early in the evening. Saturday: Sunny with highs in the upper 90s. Light and variable winds. Heat index values up to 113. Saturday Night: Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. Sunday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 115. Sunday 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. Monday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110. Monday Night: Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 105 early in the evening. 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 110. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. Wednesday: 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 110. | |
| Zone Forecast: St. James Parish | |
Visit your local NWS office at: https://www.weather.gov/lix |