FXUS64 KJAN 091852
AFDJAN

Area Forecast Discussion
National Weather Service Jackson MS
152 PM CDT Thu Jul 9 2026

...New DISCUSSION...

.KEY MESSAGES... 

- Dangerous levels (limited to elevated) of heat will return 
  Thursday and persist into the weekend.

&&

.DISCUSSION...
Issued at 149 PM CDT Thu Jul 9 2026

Persistent sub-tropical ridging stretching across the southwest will 
maintain abnormal heat and humidity through the end of the 
workweek, the inclusion of a heat advisory will remain in effect 
for Bolivar/Leflore/Sunflower/Washington through 8pm tonight. 
Afternoon high temperatures will remain a few degrees above climo 
normals, combined with hotter than normal overnight lows and high
humidity, we will continue to indicate the risk for elevated 
(level 2/4) and limited (level 1/4) risk areas for dangerous heat 
stress in the GWHO into this weekend. For today and tomorrow a 
broad area of low-level ridging will keep this warm airmass in 
place, resulting in a typical pattern of diurnal isolated to 
scattered afternoon convection./KP/

Saturday through Wednesday:

A potent upper-lvl ridge will build and traverse over the Northern 
Plains, resulting in downstream troughing over the Mid-MS Valley. 
The trough will slowly push a frontal boundary towards the southeast 
through the weekend and into next week. As the boundary progress 
towards the area, rain chances will be likely to widespread (70-85%)
with the greatest coverage on Sunday and Monday. Rain will stick 
around through mid- week as the boundary gradually moves over the 
area. With the ongoing rain potential, heat relief is expected as 
heat indices drop below 105 degrees. /SW/


&&

.AVIATION...
(18Z TAFS)
Issued at 1245 PM CDT Thu Jul 9 2026

VFR conditions will prevail through the forecast period. VCTS will
be possible this afternoon, mainly at eastern TAF sites briefly
reducing categories. Patchy BR/low stratus will also be possible
Friday morning at sites PIB/HBG from around 12Z-15Z.Winds 
will increase from the southwest between 5-10 knots by late this 
morning, and continue as such through the afternoon hours./KP/

&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       75  94  75  93 /  10   0  10  20 
Meridian      74  94  75  94 /  20  10  10  40 
Vicksburg     76  94  76  94 /  10   0  10  10 
Hattiesburg   75  95  76  94 /  20  20  10  60 
Natchez       75  95  75  94 /   0  10  10  40 
Greenville    76  95  77  94 /   0   0   0  20 
Greenwood     76  95  76  94 /   0   0  10  40 

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...Heat Advisory until 8 PM CDT this evening for MSZ018-019-025-034.

LA...None.
AR...None.
&&

$$

KP/SW/KP