| NWS Forecast for: Lower St. Martin Issued by: National Weather Service Lake Charles, LA Last Update: 306 AM CDT Wed Jun 24 2026 |  |
| Today: Mostly sunny. Highs in the lower 90s. West winds around 5 mph. Tonight: Partly cloudy. Humid with lows in the mid 70s. Southwest winds around 5 mph. Thursday: Sunny with highs in the lower 90s. Southwest winds around 5 mph. Thursday Night: Mostly clear. 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. Lows in the upper 70s. Saturday: Sunny. Highs in the lower 90s. Heat index values up to 105. Saturday Night: Clear. Lows in the upper 70s. Sunday Through Monday Night: Mostly clear. Highs in the lower 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. | |
| Zone Forecast: Lower St. Martin | |
Visit your local NWS office at: https://www.weather.gov/lch |