| NWS Forecast for: Upper St. Mary Issued by: National Weather Service Lake Charles, LA Last Update: 306 PM CDT Tue Sep 8 2026 | |
| Tonight: Partly cloudy this evening, then becoming mostly clear. Lows in the mid 70s. East winds around 5 mph. Wednesday: Mostly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 70 percent. Wednesday Night: Partly cloudy. Patchy fog. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. East winds around 5 mph. Chance of rain 40 percent. Thursday: Partly sunny. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Temperature falling into the lower 80s in the afternoon. East winds around 5 mph, becoming south in the afternoon. Chance of rain 90 percent. Thursday Night: Partly cloudy. A chance of showers after midnight. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. Friday: Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 80s. Temperature falling into the mid 80s in the afternoon. Chance of rain 80 percent. Friday Night: Partly cloudy. Lows in the mid 70s. Saturday: Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Saturday Night: Mostly cloudy in the evening, then clearing. Lows in the mid 70s. Sunday: Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index values up to 105. Sunday Night: Partly cloudy. Lows in the mid 70s. Monday: Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 60 percent. Heat index values up to 105. Monday Night: Partly cloudy. Lows in the mid 70s. Tuesday: Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 70 percent. | |
| Zone Forecast: Upper St. Mary | |
Visit your local NWS office at: https://www.weather.gov/lch |