National Weather Service Forecast for: Picayune MS
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:31 pm CST Dec 16, 2025
 
Tonight

Tonight: Cloudy, with a low around 45. Calm wind.
Cloudy


 Wednesday

Wednesday: A slight chance of showers between noon and 2pm. Mostly cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
 Wednesday
Night
Wednesday Night: A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog between 9pm and 11pm. Otherwise, cloudy, with a steady temperature around 59. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
Showers and
Patchy Fog
then Showers
Likely
 Thursday

Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Showers
Likely and
Patchy Fog

 Thursday
Night
Thursday Night: A 30 percent chance of showers before midnight. Patchy fog between 8pm and 11pm. Otherwise, partly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight.
Chance
Showers and
Patchy Fog
then Mostly
Clear
 Friday

Friday: Sunny, with a high near 61. North wind around 5 mph.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 39. Calm wind.
Mostly Clear


 Saturday

Saturday: Sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunny


 Saturday
Night
Saturday Night: Partly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening.
Partly Cloudy
Lo 45 °F Hi 64 °F Lo 59 °F Hi 72 °F Lo 43 °F Hi 61 °F Lo 39 °F Hi 71 °F Lo 54 °F

 

Tonight
 
 Cloudy, with a low around 45. Calm wind.
Wednesday
 
 A slight chance of showers between noon and 2pm. Mostly cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday Night
 
 A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog between 9pm and 11pm. Otherwise, cloudy, with a steady temperature around 59. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
 
 A 30 percent chance of showers before midnight. Patchy fog between 8pm and 11pm. Otherwise, partly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight.
Friday
 
 Sunny, with a high near 61. North wind around 5 mph.
Friday Night
 
 Mostly clear, with a low around 39. Calm wind.
Saturday
 
 Sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
 
 Partly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening.
Sunday
 
 Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the morning.
Sunday Night
 
 Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm.
Monday
 
 Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
 
 Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Tuesday
 
 Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph.

 

Forecast from NOAA-NWS for Picayune MS.