7-Day Zone Forecast for Lower St. Martin (Text-Only)
NWS Forecast for: Lower St. Martin
Issued by: National Weather Service Lake Charles, LA
Last Update: 307 PM CDT Wed Jun 24 2026


Tonight: Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph.

Thursday: Mostly sunny. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph.

Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. South winds around 5 mph.

Friday: Sunny with highs in the lower 90s. South winds 5 to 10 mph.

Friday Night: Clear with lows in the upper 70s. South winds 5 to 10 mph.

Saturday: Sunny. Highs in the lower 90s.

Saturday Night: Clear. Lows in the upper 70s.

Sunday Through Monday Night: Mostly clear. Highs in the mid 90s. Lows in the upper 70s. Heat index values up to 110.

Tuesday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.

Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s.

Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110.







Zone Forecast: Lower St. Martin

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