| NWS Forecast for: Lower St. Mary Issued by: National Weather Service Lake Charles, LA Last Update: 306 AM CDT Thu Aug 27 2026 | |
| Today: Partly sunny with thunderstorms likely. Showers likely, mainly this morning. Highs in the upper 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 70 percent. Heat index values up to 105. Tonight: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. Friday: Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. North winds around 5 mph. Chance of rain 50 percent. Friday Night: Partly cloudy. Humid with lows in the mid 70s. Light and variable winds, becoming northeast around 5 mph after midnight. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Northeast winds around 5 mph. Chance of rain 50 percent. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the mid 70s. Sunday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Temperature falling into the mid 80s in the afternoon. Chance of rain 70 percent. Heat index values up to 105. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Monday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index values up to 105. Monday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Tuesday: Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 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. Mary | |
Visit your local NWS office at: https://www.weather.gov/lch |