| NWS Forecast for: St. Helena Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1126 AM CST Fri Feb 20 2026 |  |
| This Afternoon: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 20 percent. Tonight: Mostly cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 30 percent. Saturday: Patchy fog in the morning. Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Chance of rain 60 percent. Saturday Night: Mostly cloudy with a chance of showers in the evening, then mostly clear after midnight. Much cooler. Less humid with lows in the lower 40s. North winds 15 to 20 mph. Chance of rain 40 percent. Sunday: Sunny. Much cooler with highs in the upper 50s. North winds 15 to 20 mph. Sunday Night And Monday: Clear. Lows in the mid 30s. Highs in the mid 50s. Monday Night: Clear, cold with lows in the upper 20s. Tuesday And Tuesday Night: Partly cloudy. Highs around 60. Lows in the lower 40s. Wednesday: Partly sunny. Not as cool with highs in the lower 70s. Wednesday Night: Mostly cloudy. A slight chance of showers after midnight. Not as cool with lows in the upper 50s. Chance of rain 20 percent. Thursday: Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 70s. | |
| Zone Forecast: St. Helena Parish | |
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