| NWS Forecast for: St. Helena Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 535 AM CDT Sun Jul 19 2026 | |
Today: Sunny. Highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 106. Tonight: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. West winds around 5 mph. Heat index values up to 105 early in the evening. Monday: Sunny. Highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 106. Monday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. West winds around 5 mph. Chance of rain 20 percent. Tuesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Northwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108. Tuesday Night And Wednesday: Mostly clear. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. Thursday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Friday Night: Partly cloudy. Lows in the mid 70s. Saturday: Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. | |
| Zone Forecast: St. Helena Parish | |
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