National Weather Service Forecast for: Petal MS
Issued by: National Weather Service Jackson, MS
Updated: 5:15 am CDT Jun 30, 2026
 
Today

Today: Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph.
Hot

 Tonight

Tonight: A 20 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Partly cloudy, with a low around 76. Calm wind.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming east around 5 mph in the afternoon.
Sunny then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Slight Chance
Showers
 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

 Independence
Day
Independence Day: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 95. Calm wind.
Slight Chance
T-storms then
Chance
T-storms
Hi 97 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 95 °F Lo 75 °F Hi 95 °F Lo 75 °F Hi 95 °F

Heat Advisory
 

Today
 
 Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Partly cloudy, with a low around 76. Calm wind.
Wednesday
 
 A 40 percent chance of showers and thunderstorms, mainly before 4pm. Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
 
 A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind. Chance of precipitation is 30%.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 75. Calm wind.
Friday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind.
Friday Night
 
 Mostly clear, with a low around 75. Calm wind.
Independence Day
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 95. Calm wind.
Saturday Night
 
 Mostly clear, with a low around 75.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Petal MS.