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Trap Lake, LA Weather Forecast
Trap Lake, LA Weather Forecast Date: 221 PM CDT Sat Sep 19 2026
The area/counties/county of: Catahoula, including the cities of: Jonesville and Harrisonburg.or toggle through each period.
Tonight... Clear. Lows in the lower 70s. South winds around 5 mph.
Sunday... Patchy fog in the morning. Sunny. Highs in the upper 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 107.
Sunday Night... Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph.
Monday... Mostly sunny. Highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 109.
Monday Night... Partly cloudy. Lows in the lower 70s. Light and variable winds.
Tuesday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 110.
Wednesday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 110.
Thursday... Mostly clear. Highs in the upper 90s. Lows in the lower 70s. Heat index values up to 110.
Friday... Partly cloudy. Highs in the mid 90s. Lows in the upper 60s.
POP = Probability of Precipitation
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