| NWS Forecast for: St. Helena Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 606 PM CDT Fri Jul 17 2026 | |
| Tonight: Partly cloudy. Lows in the mid 70s. West winds around 5 mph. Saturday: Sunny. Highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the mid 70s. West winds around 5 mph. Sunday: Sunny. Highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 105. Sunday Night: Mostly clear. Lows in the mid 70s. West winds around 5 mph. Monday Through Tuesday: Mostly clear with a slight chance of showers and thunderstorms. Highs in the upper 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 105 early in the evening. Wednesday And Wednesday Night: Mostly clear. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 110. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110. Thursday Night: Partly cloudy. Lows in the lower 70s. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. | |
| Zone Forecast: St. Helena Parish | |
Visit your local NWS office at: https://www.weather.gov/lix |