| NWS Forecast for: St. Helena Parish Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1238 AM CDT Mon Jul 20 2026 |  |
Rest Of Tonight: Mostly clear. Near steady temperature in the upper 70s. Northwest winds around 5 mph. Monday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Northwest winds around 5 mph. Chance of rain 20 percent. 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 upper 70s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Tuesday: Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. North winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 109. Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. North winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. Wednesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. Wednesday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Thursday: 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 lower 90s. Chance of rain 30 percent. Thursday Night: Partly cloudy. Lows in the mid 70s. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Friday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 20 percent. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: St. Helena Parish | |
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