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Jackson, Mississippi 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 4 Miles SW Jackson MS
National Weather Service Forecast for: 4 Miles SW Jackson MS
Issued by: National Weather Service Jackson, MS
Updated: 12:15 pm CDT Jul 27, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 95. Heat index values as high as 107. Southwest wind around 5 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

Monday

Monday: Sunny and hot, with a high near 98. Heat index values as high as 112. Calm wind becoming west northwest around 5 mph in the morning.
Hot

Monday
Night
Monday Night: Mostly clear, with a low around 77. Calm wind.
Mostly Clear

Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 98. Calm wind becoming north northwest around 5 mph in the morning.
Sunny then
Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 76. Calm wind.  Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.  Chance of precipitation is 60%.
Slight Chance
T-storms then
T-storms
Likely
Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm.
Chance
T-storms

Thursday

Thursday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 60%.
Slight Chance
T-storms then
T-storms
Likely
Hi 95 °F Lo 75 °F Hi 98 °F Lo 77 °F Hi 98 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 94 °F

Heat Advisory
 

This Afternoon
 
Sunny, with a high near 95. Heat index values as high as 107. Southwest wind around 5 mph.
Tonight
 
Mostly clear, with a low around 75. Calm wind.
Monday
 
Sunny and hot, with a high near 98. Heat index values as high as 112. Calm wind becoming west northwest around 5 mph in the morning.
Monday Night
 
Mostly clear, with a low around 77. Calm wind.
Tuesday
 
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Calm wind becoming north northwest around 5 mph in the morning.
Tuesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Wednesday
 
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm.
Thursday
 
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Friday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
Friday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for 4 Miles SW Jackson MS.

Weather Forecast Discussion
924
FXUS64 KJAN 271623
AFDJAN

Area Forecast Discussion
National Weather Service Jackson MS
1123 AM CDT Sun Jul 27 2025

...New AVIATION...

.MESOSCALE UPDATE...
Issued at 952 AM CDT Sun Jul 27 2025

Have made some minor adjustments to increase the temp/td curves
and heat indices for the next few hours based on recent
obs/guidance, but overall the hot and mostly rain-free forecast
is on track in the near term. Will be working on including some of
the area in an extreme heat warning with the next headline
issuance. /EC/

&&

.DISCUSSION...
Issued at 150 AM CDT Sun Jul 27 2025

Today through Monday Night...

Hi-res guidance continues to show a hot dome of high pressure over
the southeast CONUS. This will allow for quiet weather conditions
to persist across a good portion of our forecast area today with
a slight chance of scattered showers mainly for areas along and
north of Hwy 82. Dangerous heat will be the primary focus for
today with warm and humid conditions expected across the southeast
CONUS. This combined with afternoon highs in the mid to upper 90s
and dewpoints in the mid 70s will allow for heat indices between
105-110 degrees across our entire area. For this reason, no
changes have been made to the heat graphic for today and the
"Elevated" risk for dangerous heat will continue to be advertised
for a good portion of our CWA. Likewise, the heat advisory will
remain in effect from 10 am this morning until 8 pm later this
evening for our entire forecast area.

Weather conditions will remain relatively quiet later this evening
thanks to the subtropical high hovering over the southeast CONUS.
HREF guidance is starting to show low probabilities (around 10%) of
patchy fog development across our area. Confidence is too low to
introduce any fog graphics at this time, however shallow fog will be
possible around dawn. Sky cover will be generally clear as we head
into the overnight period. The clear skies will allow for
radiational cooling to occur which will help nighttime lows drop
into the mid 70s areawide.

Warm and humid conditions will continue across our CWA on Monday.
This combined with daytime highs peaking the upper 90s, and
dewpoints in the mid/upper 70s (with a few areas seeing dewpoints in
the low 80s) will allow for heat indices across our CWA to be in the
110-120 degree range. At the moment, no changes have been made to
the heat graphic for Monday and a "Significant" risk for dangerous
heat will continue to be advertised for most of our forecast area.
Likewise, a heat advisory will likely be needed for our entire CWA
heading into Monday. Given the increased warming trends, an Extreme
Heat Warning may be introduced for portions of the area as well.
Heat trends will continue to be monitored as we get closer to
Monday. Monday night will remain relatively quiet with overnight
lows dipping into the mid/upper 70s. /CR/

Tuesday through Saturday...

Not much has change in the forecast for the extended period.
Significant heat risk will continue to be the primary focus for our
entire CWA as we go through much of next week.

Rain chances will start to increase slightly mainly for areas along
and east of I-55 heading into Tuesday with a few strong storms
possible. Rain coverage will start to rebound with deepening
moisture Wednesday into the late week. Regardless of the rain
chances, dangerous heat will be the main focus for
Tuesday/Wednesday. There is a good chance that an Extreme Heat
Warning may be needed for portions of the area for both Tuesday and
Wednesday with heat index readings between 115-120 degrees.

Global guidance is starting to show a weak frontal boundary
across the Central Plains drifting southward towards the southeast
CONUS later in the week. This combined with easterly moist boundary
layer advection will help increase afternoon/early evening rain
coverage across our area and provide a little bit of relief from the
heat. Rain chances will continue heading into the weekend. /CR/

&&

.AVIATION...
(18Z TAFS)
Issued at 1120 AM CDT Sun Jul 27 2025

VFR conditions will prevail through the TAF period. A very small
chance for weak short-lived showers to develop in the afternoon
hours. Probabilities are low so the TAFs reflect benign
conditions throughout the period. /OAJ/


&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       96  75  98  77 /  10   0   0  10
Meridian      96  74  97  76 /  10   0  10  10
Vicksburg     96  76  98  78 /  10   0   0  10
Hattiesburg   97  77 100  77 /  10   0  10  10
Natchez       96  74  97  76 /  10   0   0   0
Greenville    95  77  99  78 /  10  10   0  10
Greenwood     95  76  98  78 /  10  10  10  10

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...Heat Advisory until 8 PM CDT this evening for MSZ018-019-025>066-
     072>074.

LA...Heat Advisory until 8 PM CDT this evening for LAZ007>009-015-016-
     023>026.

AR...Heat Advisory until 8 PM CDT this evening for ARZ074-075.

&&

$$

EC/EC/OAJ
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