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Grand Lake, LA 7-Day Weather Forecast
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Grand Lake Weather Forecast
Grand Lake, LA Weather Forecast Date: 306 AM CDT Wed Aug 26 2026
Weather forecast for Grand Lake, LA
Today Hi: 95°FHi: 35°C Lo: 79°F Lo: 26°C |
Today... Sunny. A chance of showers and thunderstorms this afternoon. Highs in the mid 90s. Northwest winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 50%. Heat index values up to 112. |
| Thu Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Thursday... A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs around 90. West winds around 5 mph. Chance of rain 90%. |
| Fri Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Friday... Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs around 90. North winds around 5 mph, becoming east in the afternoon. Chance of rain 70%. Heat index values up to 107. |
| Sat Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Saturday... Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 110. |
| Sun Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60%. Heat index values up to 105. |
| Mon Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Monday... Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 70%. Heat index values up to 110. |
| Tue Hi: 91°FHi: 33°C |
Tuesday... Sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60%. Heat index values up to 110. |
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