National Weather Service Forecast for: Mc Comb MS
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 2:01 am CDT Jun 30, 2026
 
Overnight

Overnight: Clear, with a low around 75. Calm wind.
Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind.
Hot

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 76. Calm wind.
Partly Cloudy

 Wednesday

Wednesday: Showers and thunderstorms likely, mainly before 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Slight Chance
T-storms then
T-storms
Likely
 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear
Lo 75 °F Hi 97 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 94 °F Lo 73 °F Hi 95 °F Lo 74 °F

Heat Advisory
 

Overnight
 
 Clear, with a low around 75. Calm wind.
Tuesday
 
 Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind.
Tuesday Night
 
 Partly cloudy, with a low around 76. Calm wind.
Wednesday
 
 Showers and thunderstorms likely, mainly before 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 73. Calm wind.
Friday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph.
Friday Night
 
 Mostly clear, with a low around 74. Calm wind.
Independence Day
 
 A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind.
Saturday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Calm wind.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph.
Sunday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph.

 

Forecast from NOAA-NWS for Mc Comb MS.