National Weather Service Forecast for: Vicksburg 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 73. Calm wind.
Patchy Fog

 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west southwest around 5 mph.
Slight Chance
T-storms and
Patchy Fog
 Wednesday
Night
Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 74. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Thursday

Thursday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 92. Heat index values as high as 108. West southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 93. Calm wind becoming north northeast around 5 mph in the afternoon.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 70. Calm wind.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 71. Calm wind.
Mostly Clear
Lo 73 °F Hi 98 °F Lo 74 °F Hi 92 °F Lo 72 °F Hi 93 °F Lo 70 °F Hi 94 °F Lo 71 °F

 

Tonight
 
 Patchy fog after 5am. Otherwise, mostly clear, with a low around 73. Calm wind.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 98. Heat index values as high as 110. Calm wind becoming west southwest around 5 mph.
Wednesday Night
 
 A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 74. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Showers likely and possibly a thunderstorm. Partly sunny, with a high near 92. Heat index values as high as 108. West southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Friday
 
 Mostly sunny, with a high near 93. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 70. Calm wind.
Saturday
 
 Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 71. Calm wind.
Sunday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Sunday Night
 
 Mostly clear, with a low around 73.
Monday
 
 Sunny, with a high near 95.
Monday Night
 
 Mostly clear, with a low around 74.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

 

Forecast from NOAA-NWS for Vicksburg MS.