7-Day Zone Forecast for Lower St. Mary (Text-Only)
NWS Forecast for: Lower St. Mary
Issued by: National Weather Service Lake Charles, LA
Last Update: 306 PM CDT Sat Jun 13 2026
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Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the upper 70s. South winds 5 to 10 mph.

Sunday: Sunny with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 105.

Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 80. South winds 5 to 10 mph.

Monday: Partly sunny. Humid with highs around 90. Southwest winds 5 to 10 mph.

Monday Night: Mostly cloudy. A chance of showers after midnight. Humid with lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 40 percent.

Tuesday: Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

Tuesday Night And Wednesday: Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 70s. Highs in the upper 80s. Chance of rain 50 percent.

Wednesday Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Near steady temperature in the lower 80s. Chance of rain 40 percent.

Thursday: Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.

Thursday Night And Juneteenth: Mostly cloudy. A chance of showers and thunderstorms. Lows around 80. Highs around 90. Chance of rain 40 percent. Heat index values up to 105.

Friday Night: Partly cloudy. Lows in the upper 70s.

Saturday: Partly sunny. Highs around 90. Heat index values up to 105.







Zone Forecast: Lower St. Mary

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