10-Day Weather Forecast - Mermentau, LA

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 106.

Partly cloudy in the evening then becoming mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening becoming light and variable.

Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 105.

Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening becoming light and variable.

Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 60 percent.

Partly cloudy in the evening then clearing. Lows in the upper 70s.

Mostly sunny with showers likely. A chance of thunderstorms in the morning then thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 70s.

Mostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs around 90. Chance of rain 70 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 70s.

Mostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.

Mostly cloudy in the evening then becoming partly cloudy. A chance of showers. Lows in the mid 70s. Chance of rain 40 percent.

Mostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.

Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 73F with an average humidity of 81%. Winds will be 2 mph from the SW.

Mostly sunny with a 70% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 73F with an average humidity of 74%. Winds will be 2 mph from the NW.

Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 73F with an average humidity of 81%. Winds will be 3 mph from the S.

Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 74F with an average humidity of 76%. Winds will be 3 mph from the S.

Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 82%. Winds will be 4 mph from the S.