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Petal, Mississippi 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Petal MS
National Weather Service Forecast for: Petal MS
Issued by: National Weather Service Jackson, MS
Updated: 5:15 pm CDT Jul 12, 2025
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Heat index values as high as 98. South southwest wind around 5 mph.
Chance
T-storms

Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 73. South wind around 5 mph becoming calm.
Chance
T-storms then
Patchy Fog
Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Patchy fog before 8am.  Otherwise, sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph.
Patchy Fog
then Slight
Chance
T-storms
Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 73. South southwest wind around 5 mph becoming calm.
Chance
T-storms then
Clear
Monday

Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 97. Calm wind.
Sunny then
Chance
T-storms
Monday
Night
Monday Night: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 98. Calm wind becoming north northwest around 5 mph.
Sunny then
Chance
T-storms
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

Wednesday

Wednesday: Showers and thunderstorms likely after 1pm.  Mostly sunny and hot, with a high near 97. Calm wind becoming north northeast around 5 mph.  Chance of precipitation is 60%.
Sunny then
T-storms
Likely
Hi 93 °F Lo 73 °F Hi 96 °F Lo 73 °F Hi 97 °F Lo 75 °F Hi 98 °F Lo 76 °F Hi 97 °F

 

This Afternoon
 
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 98. South southwest wind around 5 mph.
Tonight
 
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 73. South wind around 5 mph becoming calm.
Sunday
 
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph.
Sunday Night
 
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. South southwest wind around 5 mph becoming calm.
Monday
 
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind.
Monday Night
 
Mostly clear, with a low around 75. Calm wind.
Tuesday
 
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north northwest around 5 mph.
Tuesday Night
 
Mostly clear, with a low around 76. Calm wind.
Wednesday
 
Showers and thunderstorms likely after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 60%.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 74.
Thursday
 
Showers and thunderstorms. High near 94. Chance of precipitation is 80%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
 
Showers and thunderstorms. High near 91. Chance of precipitation is 80%.
Friday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
 
Showers and thunderstorms. Mostly sunny, with a high near 92.

 

Forecast from NOAA-NWS for Petal MS.

Weather Forecast Discussion
073
FXUS64 KJAN 121745
AFDJAN

Area Forecast Discussion
National Weather Service Jackson MS
1245 PM CDT Sat Jul 12 2025

...New DISCUSSION...

.DISCUSSION...
Issued at 1245 PM CDT Sat Jul 12 2025

Tonight through Monday...

A few lingering scattered showers and storms will be possible across
portions of southeast AR and most of our northeast LA parishes this
evening. By midnight, rain chances will be near zero leading to
mostly quiet conditions across our forecast area. HREF guidance is
starting to show very low probabilities (around 10-20%) of patchy
fog development after midnight through early Sunday morning mainly
for areas along and south of the Hwy 84 corridor. Fog graphics will
not be introduced at this time given the low probability of fog
development highlighted by HREF guidance. With that in mind, shallow
patchy fog will be possible particularly after dawn. Areas along and
south of Hwy 84 should start to see improvement in visibility by day
break Sunday. Expect nighttime temperatures to drop into the low 70s
areawide.

Weather conditions through Sunday morning will remain generally
quiet as hi-res guidance continues to show a 1020mb sfc high
hovering over the eastern Gulf. To the west of this high, southerly
moist boundary layer advection will continue across our forecast
area. With model consensus showing PWATs of 2.01in, scattered showers
and t-storms will be possible Sunday afternoon with PoPs ranging
between 25-40%. With the lower afternoon rain chances, heat stress
concerns will continue to increase across our forecast area for
Sunday with many areas reaching the 105 heat index reading mark.

Areas along and west of I-55 will have the best potential to see
heat indices approaching 105 degrees heading into Monday. Given
afternoon highs in the mid 90s and dewpoints in the low/mid 70s, the
"Limited" risk for heat stress will continue to be highlighted in
our graphics through Monday. Future adjustments to the graphics as
well as heat advisories will likely be needed for portions, if not
all of, the forecast area heading into Monday. /CR/

Tuesday through Friday...

As we head into the new work week, model consensus from both the GFS
and the Euro show the sfc high starting to gradually retrograde
across the southeast CONUS. As this high begins to push north into
the region, humid conditions will persist across our CWA, which in
turn will lead to increasing heat conditions through the extended
period. Looking at current forecast trends, it appears that heat
indices will be in the 105-110 range next Tuesday through Friday
given daytime highs forecasted in the mid/upper 90s along with
dewpoints in the mid to upper 70s (a few spots could potentially see
dewpoints in the low 80s). This will likely result in the "Limited"
risk for heat stress being upgraded to an "Elevated" risk in our HWO
graphics for the Tuesday/Friday timeframe. It is possible that a
"Significant" risk may be introduced in future forecast updates.
Furthermore, heat advisories/warnings will eventually be needed as
well. Afternoon/early evening showers and t-storms will provide some
relief from the heat Global guidance shows convection dissipating by
the evening hours each day as daytime heating wanes. /CR/

&&

.AVIATION...
(18Z TAFS)
Issued at 1226 PM CDT Sat Jul 12 2025

Scattered showers and storms are developing across the area this
afternoon. If observed within an area TAF site`s respected
aerodrome, convection could reduce both ceilings and/or
visibilities to MVFR status for a brief period of time. Gusty
winds will be possible with the most intense storms, but frequent
lighting and heavy downpours are likely with all of today`s
activity. Once convection passes and/or dissipates, categories
will return to VFR status, and remain as such throughout the
remainder of the forecast. Winds this afternoon will be from the
south southwest between 5-10 knots, becoming light from the south
to calm overnight. /19/

&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       73  94  74  94 /  20  20  10  30
Meridian      72  94  73  96 /  20  30  10  30
Vicksburg     74  94  75  95 /  10  30   0  20
Hattiesburg   74  97  74  97 /  20  30   0  40
Natchez       72  93  73  94 /  10  40   0  30
Greenville    73  93  74  94 /  10  30  10  30
Greenwood     73  94  74  95 /  10  30  10  40

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...None.
LA...None.
AR...None.
&&

$$

CR/19/
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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