| NWS Forecast for: Lower St. Martin Issued by: National Weather Service Lake Charles, LA Last Update: 306 AM CDT Sat Aug 15 2026 | |
Today: Sunny. Highs in the upper 90s. West winds around 5 mph, becoming south this afternoon. Heat index values up to 112. Tonight: Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph in the evening, becoming light and variable. Heat index values up to 106 early in the evening. Sunday: Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Temperature falling into the lower 90s in the afternoon. Northwest winds around 5 mph, becoming southwest in the afternoon. Chance of rain 30 percent. Heat index values up to 111. Sunday Night: Mostly clear. Humid with lows in the upper 70s. Southwest winds around 5 mph. Monday: Sunny with highs in the mid 90s. Temperature falling into the lower 90s in the afternoon. West winds around 5 mph. Heat index values up to 112. Monday Night Through Tuesday Night: Partly cloudy. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 115. Wednesday: Sunny. Highs in the mid 90s. Heat index values up to 110. Wednesday Night: Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. Thursday: Sunny. Highs in the mid 90s. Heat index values up to 110. Thursday Night: Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. Friday: Sunny. Highs in the mid 90s. Heat index values up to 110. | |
| Zone Forecast: Lower St. Martin | |
Visit your local NWS office at: https://www.weather.gov/lch |