Weather WorldFirst Lake, LA 7-Day Weather Forecast
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First Lake Weather Forecast
First Lake, LA Weather Forecast Date: 307 PM CDT Mon Sep 14 2026
Weather forecast for First Lake, LA
Tonight Lo: 79°F Lo: 26°C |
Tonight... Mostly clear. Lows in the upper 70s. South winds around 5 mph. |
Tue Hi: 91°FHi: 33°C Lo: 79°F Lo: 26°C |
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. East winds around 5 mph, becoming south in the afternoon. Chance of rain 20%. Heat index values up to 105. |
| Wed Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. East winds 10 to 15 mph. Chance of rain 50%. Heat index values up to 105. |
Thu Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Thursday... Mostly clear. Highs in the lower 90s. Lows in the mid 70s. |
| Fri Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Friday... Mostly clear. Highs in the lower 90s. Lows in the mid 70s. |
| Fri Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Friday... Mostly clear. Highs in the lower 90s. Lows in the mid 70s. |
| Sat Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40%. |
| Sun Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 50%. |
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