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St. Johns High School, LA Weather Forecast
St. Johns High School, LA Weather Forecast Date: 535 PM CDT Sat Aug 29 2026
The area/counties/county of: Iberville, including the cities of: Bayou Sorrel, Plaquemine, and White Castle.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph this evening, becoming light and variable.
Sunday... Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Northeast winds 5 to 10 mph. Chance of rain 40%. Heat index values up to 107.
Sunday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Humid with lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 20%.
Monday... Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 70%. Heat index values up to 105.
Monday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20%.
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Chance of rain 70%. Heat index values up to 105.
Tuesday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20%.
Wednesday... Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50%. Heat index values up to 110.
Wednesday Night... Mostly cloudy in the evening, then clearing. Lows in the mid 70s.
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Chance of rain 70%. Heat index values up to 110.
Thursday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20%.
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 50%. Heat index values up to 110.
Friday Night... Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Chance of rain 20%.
POP = Probability of Precipitation
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