| NWS Forecast for: St. Helena Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 526 PM CST Thu Nov 20 2025 | |
| Tonight: Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 40 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 50 percent. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Areas of fog after midnight. Visibility one quarter mile or less at times after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Saturday: Partly sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds around 5 mph. Chance of rain 20 percent. Saturday Night: Partly cloudy. Lows in the upper 50s. Light and variable winds, becoming north around 5 mph after midnight. Sunday: Mostly sunny. Highs in the upper 70s. Sunday Night: Mostly cloudy. Lows in the upper 50s. Monday: Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. Monday Night: Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 70 percent. Tuesday: Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 60 percent. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of showers. Lows in the mid 50s. Wednesday: Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. Wednesday Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 20 percent. Thanksgiving Day: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: St. Helena Parish | |
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