Byram, Mississippi 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

058
FXUS64 KJAN 071827
AFDJAN

Area Forecast Discussion
National Weather Service Jackson MS
127 PM CDT Sun Jun 7 2026

...New DISCUSSION...

.KEY MESSAGES...

- Showers and thunderstorms could bring locally heavy rainfall to
  portions of the area this afternoon and evening.

- Monitoring the potential for increasing heat stress later this
  week.

&&

.DISCUSSION...
Issued at 124 PM CDT Sun Jun 7 2026

Tonight through Saturday...Scattered to widespread showers, along
with some thunderstorms, will remain likely across the forecast area
into this evening.  While there will be some lessening in coverage
overnight, some isolated to scattered convection will remain
possible across mainly northern portions of the area into early
Monday morning, as a shortwave lifts northeast through the Mid-South
region.  Some heavy downpours will remain possible for the remainder
of this afternoon into this evening.  This will result in the
ponding of water in low-lying and poor drainage areas, especially
where convection trains across the same locations.

This deeply moist airmass will persist across the region during the
week.  The bulk of the rain chances will exit the CWA with the
aforementioned shortwave, with ridging increasing across the region.
However, given the airmass now residing over the forecast area, an
isolated diurnally driven shower or storm will remain possible each
afternoon.  It`ll also be during this time where the concern for
dangerous heat stress will be on the rise. By the time Tuesday rolls
around, and continuing through Saturday, with highs warming into the
90s and dew points well into the 70s, afternoon heat index values
currently look to reach and eventually surpass the century mark. If
the trend continues, at a minimum, a "Limited Threat" for said
dangerous heat stress could become necessary as early as Wednesday
for portions of, if not all of, the forecast area, and potentially
be needed for consecutive days heading into the weekend. /19/

&&

.AVIATION...
(18Z TAFS)
Issued at 1251 PM CDT Sun Jun 7 2026

MVFR/VFR conditions will prevail through 8-12Z Monday. SHRA/RA
will impact sites through this evening before coverage diminishes.
MVFR/IFR ceilings will be possible after 8-12Z at all sites until
around 17Z before conditions improve. Winds will remain southerly
through the period with sustained winds remaining under 10kts and
gusts remaining under 30kts. /KP/

&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       74  88  72  92 /  20  20  10   0
Meridian      73  86  71  92 /  30  30  20   0
Vicksburg     76  88  73  92 /  20  20  10   0
Hattiesburg   73  87  70  91 /  20  20  20  10
Natchez       75  89  73  93 /  10  10  10   0
Greenville    75  90  74  92 /  20  20   0   0
Greenwood     75  90  74  92 /  40  20   0  10

&&

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

$$

19/KP