National Weather Service Forecast for: Greenville MS
Issued by: National Weather Service Jackson, MS
Updated: 11:15 pm CDT Aug 25, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Partly Cloudy

Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Southwest wind around 5 mph.
Chance
T-storms

Wednesday
Night
Wednesday Night: Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe.  Mostly cloudy, with a low around 74. South southeast wind around 5 mph becoming calm.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms

Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 93. Heat index values as high as 103. East northeast wind around 5 mph becoming west southwest in the morning.
Chance
T-storms then
Chance
Showers
Thursday
Night
Thursday Night: Partly cloudy, with a low around 72. North northeast wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Friday

Friday: Sunny, with a high near 95. North northeast wind 5 to 10 mph.
Sunny

Friday
Night
Friday Night: Clear, with a low around 68. North northeast wind around 5 mph.
Clear

Saturday

Saturday: Sunny, with a high near 93. Northeast wind around 5 mph.
Sunny

Saturday
Night
Saturday Night: Clear, with a low around 70. Northeast wind around 5 mph becoming calm  in the evening.
Clear

Lo 74 °F Hi 98 °F Lo 74 °F Hi 93 °F Lo 72 °F Hi 95 °F Lo 68 °F Hi 93 °F Lo 70 °F

 

Tonight
 
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Wednesday
 
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Southwest wind around 5 mph.
Wednesday Night
 
Showers and thunderstorms likely, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 74. South southeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 93. Heat index values as high as 103. East northeast wind around 5 mph becoming west southwest in the morning.
Thursday Night
 
Partly cloudy, with a low around 72. North northeast wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 95. North northeast wind 5 to 10 mph.
Friday Night
 
Clear, with a low around 68. North northeast wind around 5 mph.
Saturday
 
Sunny, with a high near 93. Northeast wind around 5 mph.
Saturday Night
 
Clear, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.
Sunday
 
Sunny, with a high near 96.
Sunday Night
 
Mostly clear, with a low around 74.
Monday
 
Sunny and hot, with a high near 97.
Monday Night
 
Mostly clear, with a low around 74.
Tuesday
 
Sunny and hot, with a high near 97.

 

Forecast from NOAA-NWS for Greenville MS.