| NWS Forecast for: Lower St. Martin Issued by: National Weather Service Lake Charles, LA Last Update: 306 AM CDT Fri Aug 14 2026 |  |
Today: Sunny. Highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 110. Tonight: Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph in the evening, becoming light and variable. Saturday: Sunny with highs in the mid 90s. Northwest winds around 5 mph, becoming south in the afternoon. Heat index values up to 112. Saturday Night: 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 105 early in the evening. Sunday: Sunny with highs in the mid 90s. Northwest winds around 5 mph, becoming southwest in the afternoon. Heat index values up to 112. Sunday Night Through Tuesday: Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 115. Tuesday Night: Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. Wednesday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. Wednesday Night And Thursday: Mostly clear. Lows in the upper 70s. 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 |