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

Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 74. Calm wind.
Patchy Fog

 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph.
Patchy Fog
then Chance
T-storms
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 75. Calm wind.
Chance
T-storms then
Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
T-storms
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 73. South 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.
Showers
Likely

 Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 94. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Slight Chance
T-storms

 Saturday

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming east northeast around 5 mph.
Chance
T-storms

 Saturday
Night
Saturday Night: Mostly clear, with a low around 72. East southeast wind around 5 mph becoming calm.
Mostly Clear
Lo 74 °F Hi 97 °F Lo 75 °F Hi 93 °F Lo 73 °F Hi 94 °F Lo 72 °F Hi 93 °F Lo 72 °F

 

Tonight
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 74. Calm wind.
Wednesday
 
 A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 75. Calm wind.
Thursday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 73. South 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.
Friday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 94. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Saturday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming east northeast around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 72. East southeast wind around 5 mph becoming calm.
Sunday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Sunday Night
 
 Partly cloudy, with a low around 73.
Monday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
 
 Partly cloudy, with a low around 73.
Tuesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Hattiesburg MS.