National Weather Service Forecast for: Rayville LA
Issued by: National Weather Service Jackson, MS
Updated: 5:15 am CDT Aug 26, 2026
 
Today

Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming southwest around 5 mph.
Mostly Sunny
then Slight
Chance
T-storms
Tonight

Tonight: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 73. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

Thursday

Thursday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind.
Chance
Showers then
Chance
T-storms
Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms between 7pm and 1am.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.
Slight Chance
T-storms

Friday

Friday: Sunny, with a high near 94. Light north northwest wind becoming north northeast 5 to 10 mph in the morning.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm  in the evening.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.
Sunny

Saturday
Night
Saturday Night: Clear, with a low around 69. Calm wind.
Clear

Sunday

Sunday: Sunny, with a high near 94. Calm wind.
Sunny

Hi 100 °F Lo 73 °F Hi 94 °F Lo 72 °F Hi 94 °F Lo 69 °F Hi 95 °F Lo 69 °F Hi 94 °F

 

Today
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming southwest around 5 mph.
Tonight
 
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 73. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind.
Thursday Night
 
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Friday
 
Sunny, with a high near 94. Light north northwest wind becoming north northeast 5 to 10 mph in the morning.
Friday Night
 
Mostly clear, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.
Saturday Night
 
Clear, with a low around 69. Calm wind.
Sunday
 
Sunny, with a high near 94. Calm wind.
Sunday Night
 
Mostly clear, with a low around 72.
Monday
 
Sunny, with a high near 95.
Monday Night
 
Mostly clear, with a low around 73.
Tuesday
 
Sunny, with a high near 96.

 

Forecast from NOAA-NWS for Rayville LA.