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Lyon, LA Weather Forecast
Lyon, LA Weather Forecast Date: 307 PM CDT Fri Sep 25 2026
The area/counties/county of: Southern Jefferson Davis, including the city of Lake Arthur.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 70s. East winds around 5 mph.
Saturday... Partly sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Saturday Night... Mostly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.
Sunday... Sunny. Highs in the lower 90s. Light and variable winds, becoming southeast around 5 mph in the afternoon.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly sunny. Highs in the lower 90s.
Monday Night... Mostly clear. Lows in the lower 70s. Highs in the lower 90s.
Tuesday... Mostly clear. Lows in the lower 70s. Highs in the lower 90s.
Tuesday Night... Partly cloudy. Lows in the mid 70s.
Wednesday... Mostly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. A 40% chance of showers. Lows in the mid 70s.
Thursday... Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60%.
Thursday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 70s. Chance of rain 40%.
POP = Probability of Precipitation
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