National Weather Service Forecast for: Greenville MS
Issued by: National Weather Service Jackson, MS
Updated: 3:15 pm CDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Mostly sunny and hot, with a high near 101. Heat index values as high as 110. West southwest wind around 10 mph.
Hot

 Tonight

Tonight: Partly cloudy, with a low around 79. South southwest wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 98. Heat index values as high as 110. West wind around 5 mph becoming north northeast in the afternoon.
Mostly Sunny
then Chance
T-storms
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 76. North northeast wind around 5 mph becoming calm in the evening.
Chance
T-storms then
Chance
Showers
 Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 95. North wind around 5 mph. Chance of precipitation is 40%.
Chance
T-storms

 Thursday
Night
Thursday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
 Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy
then Slight
Chance
Showers
 Saturday

Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Slight Chance
Showers then
Chance
T-storms
Hi 101 °F Lo 79 °F Hi 98 °F Lo 76 °F Hi 95 °F Lo 74 °F Hi 95 °F Lo 78 °F Hi 98 °F

Extreme Heat Warning
Extreme Heat Warning
 

This Afternoon
 
 Mostly sunny and hot, with a high near 101. Heat index values as high as 110. West southwest wind around 10 mph.
Tonight
 
 Partly cloudy, with a low around 79. South southwest wind around 5 mph.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 98. Heat index values as high as 110. West wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 76. North northeast wind around 5 mph becoming calm in the evening.
Thursday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 95. North wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
 
 A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
 
 A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
 
 A 20 percent chance of showers before 1am. Mostly clear, with a low around 73.
Sunday
 
 Mostly sunny, with a high near 91.
Sunday Night
 
 Mostly clear, with a low around 73.
Monday
 
 Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Greenville MS.