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McComb, Mississippi 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Mc Comb MS
National Weather Service Forecast for: Mc Comb MS
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 3:51 pm CDT Jun 12, 2025
 
This
Afternoon
This Afternoon: Showers and thunderstorms likely.  Partly sunny, with a steady temperature around 87. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

Tonight

Tonight: Showers and thunderstorms likely, mainly before 8pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 72. Southeast wind around 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Patchy Fog

Friday

Friday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Patchy fog between 8am and 9am.  Otherwise, partly sunny, with a high near 89. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms and
Patchy Fog
then T-storms
Likely
Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 72. South wind around 5 mph becoming calm  in the evening.
Chance
T-storms then
Chance
Showers
Saturday

Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 90. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 80%.
Chance
T-storms then
T-storms

Saturday
Night
Saturday Night: Showers and thunderstorms likely, mainly before 7pm.  Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 60%.
T-storms
Likely then
Chance
Showers
Sunday

Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Slight Chance
T-storms

Monday

Monday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
T-storms
Likely

Hi 87 °F Lo 72 °F Hi 89 °F Lo 72 °F Hi 90 °F Lo 73 °F Hi 92 °F Lo 72 °F Hi 92 °F

 

This Afternoon
 
Showers and thunderstorms likely. Partly sunny, with a steady temperature around 87. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 89. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Saturday
 
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%.
Saturday Night
 
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
 
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%.
Sunday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Monday
 
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm.
Tuesday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph.
Wednesday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 92. South wind 5 to 10 mph.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph.
Juneteenth
 
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 94. South wind around 5 mph.

 

Forecast from NOAA-NWS for Mc Comb MS.

Weather Forecast Discussion
415
FXUS64 KLIX 121911
AFDLIX

Area Forecast Discussion
National Weather Service New Orleans LA
211 PM CDT Thu Jun 12 2025

...New SHORT TERM, LONG TERM, MARINE...

.SHORT TERM...
(This evening through Friday night)
Issued at 156 PM CDT Thu Jun 12 2025

Tonight through Saturday morning, the enhanced summertime pattern
continues. Scattered to numerous storms will be expected, mainly
during peak daytime heating hours late afternoon through early
evening. These storms will have the potential for frequent
lightning and gusty winds (40-60mph) inside stronger storms.
Locally heavy rainfall will also be a concern inside of these
storms as PW values are above the 75th percentile for SPC
sounding climatology, indicating efficiency. A quick 1-2 inches
will be possible, which could be an issue for mainly urban areas.

Temperatures will be in the mid 90s with heat index values in the
low 100s. The bulk of the best heating will be limited by the
rainfall. Still, it is always important to stay hydrated,
especially early in the season. MSW

&&

.LONG TERM...
(Saturday through Wednesday night)
Issued at 156 PM CDT Thu Jun 12 2025

Saturday through mid week, still expect those daily summertime
showers and storms, but by Monday to Tuesday timeframe, should be
a little lower chances of PoPs. These scattered storms will
mainly be daily during the peak daytime heating hours, especially
late afternoon through early evening hours. Given the high PWs
remaining along with the abundant moisture, etc., these storms
will mainly produce the threat of frequent lightning and gusty
sub-severe (30-60mph) winds. There is still some uncertainty in
the coverage and PoPs of these storms, given it is still a while
out in time. So we will keep monitoring for changes.

Generally, temperatures will be in the mid 90s with heat index
values in the low to mid 90s, especially as we head toward mid-
week. So, be prepared to hydrate and take precautions as we head
deeper into the summer. MSW

&&

.AVIATION...
(18Z TAFS)
Issued at 1204 PM CDT Thu Jun 12 2025

VFR conditions prevail at all area airports. TEMPO groups are in
the forecast for this afternoon into the evening hours for lower
ceilings and visibilities due to showers and storms at all area
airports. Apart from that, brief periods of fog are expected at
MCB around daybreak for a few hours, bringing MVFR and IFR
conditions and lower ceilings and visibilities. MSW

&&

.MARINE...
Issued at 156 PM CDT Thu Jun 12 2025

Winds will be benign for much of the forecast period. Winds will
be southerly and moderate (10-15kts) for the entire forecast
period. Showers and storms will be expected daily for the rest of
the week into the weekend, which could produce localized hazards
for mariners like gusty winds (40-60mph) and frequent lightning at
times. MSW

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  72  89  72  90 /  30  70  30  80
BTR  74  90  75  91 /  40  80  20  80
ASD  75  90  74  92 /  20  70  20  70
MSY  79  92  78  92 /  20  70  20  80
GPT  78  88  77  90 /  20  70  30  70
PQL  74  89  74  90 /  20  60  30  70

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...None.
GM...None.
MS...None.
GM...None.
&&

$$

SHORT TERM...MSW
LONG TERM....MSW
AVIATION...MSW
MARINE...MSW
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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