National Weather Service Forecast for: Picayune MS
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:15 am CDT Jul 10, 2026
 
Today

Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 106. South wind around 5 mph.
Chance
T-storms

 Tonight

Tonight: Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Mostly Clear

 Saturday

Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Sunny then
Chance
T-storms
 Saturday
Night
Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Slight Chance
T-storms then
Mostly Clear
 Sunday

Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Slight Chance
T-storms then
T-storms
Likely
 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.
Chance
T-storms then
Chance
Showers
 Monday

Monday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 100%.
T-storms

 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind.
Chance
T-storms

 Tuesday

Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
T-storms
Hi 94 °F Lo 75 °F Hi 94 °F Lo 75 °F Hi 92 °F Lo 73 °F Hi 86 °F Lo 71 °F Hi 86 °F

 

Today
 
 A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 106. South wind around 5 mph.
Tonight
 
 Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Saturday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Sunday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.
Monday
 
 Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 100%.
Monday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind.
Tuesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
 A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Calm wind.
Wednesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph.
Wednesday Night
 
 Partly cloudy, with a low around 73. Calm wind.
Thursday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph.

 

Forecast from NOAA-NWS for Picayune MS.