Petal, Mississippi 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Petal MS
National Weather Service Forecast for:
Petal MS
Issued by: National Weather Service Jackson, MS |
Updated: 7:17 am CDT Jul 15, 2025 |
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Today
 Sunny then Slight Chance T-storms
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Tonight
 Mostly Clear
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Wednesday
 Sunny then Chance T-storms
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Wednesday Night
 Chance T-storms then Chance Showers and Patchy Fog
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Thursday
 Chance T-storms then T-storms
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Thursday Night
 Chance T-storms then Chance Showers
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Friday
 Showers Likely then T-storms
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Friday Night
 Slight Chance T-storms
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Saturday
 Chance T-storms then T-storms Likely
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Hi 97 °F |
Lo 75 °F |
Hi 97 °F |
Lo 75 °F |
Hi 91 °F |
Lo 74 °F |
Hi 90 °F |
Lo 74 °F |
Hi 90 °F |
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Heat Advisory
Today
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A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming north northwest around 5 mph. Chance of precipitation is 20%. |
Tonight
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Mostly clear, with a low around 75. Calm wind. |
Wednesday
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A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming north northeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Wednesday Night
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A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 40%. |
Thursday
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Showers and thunderstorms, mainly after 1pm. High near 91. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday Night
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A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. |
Friday
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Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. |
Friday Night
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A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%. |
Saturday
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Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. |
Saturday Night
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A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. |
Sunday
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A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
Sunday Night
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Partly cloudy, with a low around 73. |
Monday
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A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. |
Forecast from NOAA-NWS
for Petal MS.
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Weather Forecast Discussion
727
FXUS64 KJAN 151135
AFDJAN
Area Forecast Discussion
National Weather Service Jackson MS
635 AM CDT Tue Jul 15 2025
...New AVIATION...
.DISCUSSION...
Issued at 238 AM CDT Tue Jul 15 2025
Overall, the primary concerns for this forecast will be the
dangerous levels of heat stress through mid week, and then an
increasing threat for heavy rainfall as we go into late week and the
weekend.
Today through Tonight: Quiet weather conditions are expected across
our CWA this morning as near term guidance continues to show a
1020mb sfc high gradually pushing northeast across the southeast
CONUS. Much of our CWA will not see convection but isolated
afternoon storms cannot be ruled out in the far northwest and across
the southeast. Humid conditions will persist across the area thanks
to this sfc high which will lead to dangerous heat concerns across
the region. Areas along and west of a line from Greenwood to Jackson
to Laurel, MS will have the best potential to see heat index
readings between 106-110 degrees. As a result, A heat advisory will
go into effect today for the aforementioned areas. No changes have
been made and the "Elevated" risk for dangerous heat stress will
continue to be advertised. Afternoon highs will peak into the mid to
upper 90s areawide. /CR/22/SW/EC/
Wednesday through Sunday: Dangerous heat with triple digit heat
indices will continue into Wednesday and Thursday as the surface
high remains over the southeast CONUS. As this high continues to
hover over the region, humid conditions will persist across our CWA.
Rain chances will start to increase across eastern portions of our
forecast area thanks to northeasterly moist boundary layer
advection. Elsewhere, areas west of I-55 will remain fairly dry. The
warming trend will continue into Thursday with afternoon highs in
the mid/upper 90s with dewpoints in the mid 70s possibly reaching 80
degrees. While multiple areas across our entire forecast area will
have the best potential to see heat index readings in the 106-110
range, there are a few isolated spots west of I-55 that could see
heat indices greater than 110 degrees. At this time, no changes were
made to the dangerous heat graphic for the Wednesday and Thursday
and the "Elevated" and "Limited" risk will continue to be
advertised. Over the next couple of days, the heat graphic may have
to include a "Significant" risk area for the Delta and NE LA
parishes along with additional heat advisories.
Concerning the potential for impacts from a developing tropical
system: the National Hurricane Center (NHC) is now indicating a
medium probability (increase to 40%) for tropical cyclone
development near the northern Gulf Coast. With tropical moisture
pushing into our region and PWATs in the 90th percentiles, the
Weather Prediction Center (WPC) is still indicating a "Slight" risk
for excessive rainfall for Friday and Saturday. There is a high
ceiling for rainfall amounts that will be largely conditional on the
level of organization and track of this potential system. Much of
the ensemble guidance indicates the system will trend farther south
with a heavy rainfall axis primarily impacting LA while skirting our
western and southern areas. There is a sizeable contingent of
guidance that pulls the threat more eastward and up the I-55
corridor. With forecast confidence still relatively low in the whole
scenario, will hold off on more formal flood threat messaging, but
will continue to highlight a more general heavy rainfall threat,
especially for southern/western areas. All interests in the area
should continue to monitor for updates as we go through the next few
days. CR/SW/EC/
&&
.AVIATION...
(12Z TAFS)
Issued at 632 AM CDT Tue Jul 15 2025
VFR conditions and light surface wind will prevail through the
forecast period. Diurnal TSRA coverage will be very limited. /EC/
&&
.PRELIMINARY POINT TEMPS/POPS...
Jackson 95 75 97 76 / 10 0 10 20
Meridian 96 74 97 74 / 10 10 20 20
Vicksburg 95 76 97 76 / 10 0 0 10
Hattiesburg 97 77 97 75 / 20 10 50 40
Natchez 94 74 96 75 / 10 0 10 10
Greenville 94 75 96 76 / 10 0 0 0
Greenwood 95 76 98 77 / 20 0 10 0
&&
.JAN WATCHES/WARNINGS/ADVISORIES...
MS...Heat Advisory from 10 AM this morning to 7 PM CDT this evening
for MSZ018-019-025-034>036-040>043-047>049-053>055-059>065-
072>074.
LA...Heat Advisory from 10 AM this morning to 7 PM CDT this evening
for LAZ007>009-015-016-023>026.
AR...Heat Advisory from 10 AM this morning to 7 PM CDT this evening
for ARZ074-075.
&&
$$
SW/22/CR/EC/
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