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Upper Flat, LA Weather Forecast
Upper Flat, LA Weather Forecast Date: 121 PM CDT Sat Sep 19 2026
The area/counties/county of: Iberville, including the cities of: Bayou Sorrel, Plaquemine, and White Castle.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the lower 90s. East winds around 5 mph. Heat index values up to 105.
Tonight... Clear. Lows in the lower 70s. South winds around 5 mph.
Sunday... Sunny with highs in the mid 90s. Light and variable winds, becoming east around 5 mph in the afternoon. Heat index values up to 107.
Sunday Night... Mostly clear. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Northwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 20%. Heat index values up to 108.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
Tuesday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 20%. Heat index values up to 110.
Tuesday Night... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
Wednesday... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
Thursday... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
POP = Probability of Precipitation
Upper Flat Radar Loop
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