484 FXUS64 KJAN 090023 AAA AFDJANArea Forecast Discussion...UPDATED National Weather Service Jackson MS 723 PM CDT Mon Sep 8 2025
...New MESOSCALE UPDATE, AVIATION...
.MESOSCALE UPDATE... Issued at 704 PM CDT Mon Sep 8 2025
Updated the forecast elements through tomorrow afternoon, but no major adjustments were made. High pressure across the eastern CONUS is still the prevailing influence, but an upper-level disturbance interacting with an easterly surface wave will bring a slight chance for showers and thunderstorms to the Gulf Coast areas tomorrow. /NF/
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.DISCUSSION... Issued at 1244 PM CDT Mon Sep 8 2025
Tonight-Tuesday:
Clear skies with comfortable temperatures are expected over the next couple of days. Trough pattern continues to move eastward, limiting rain chances across majority of the area and keeping northerly winds across the area. SE MS could see an isolated chance (15-20%) for rain Tuesday afternoon as a weak disturbance moving over the area. These rain chances will decrease shortly after sunset. Highs are expected to reach the mid/upper 80s with lows in the upper 50s to lower 60s.
Wednesday-next Sunday:
Persistent clear conditions are expected through the rest of the period. Ridging pattern will migrate towards the southeast CONUS, causing high temperatures to start in the upper 80s/near 90s, reaching the mid/upper 90s by the end of the forecast period. Overnight lows are expected to range in the 70s. Little (less than 5%) to no rain chances are expected for the remainder of the period. /SW/
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.AVIATION... (00Z TAFS) Issued at 704 PM CDT Mon Sep 8 2025
VFR conditions will prevail at the TAF sites through the period. Winds will be generally less than 10 kts, shifting from out of the northeast at the start to out of the east by around 14Z Tuesday. A shower or thunderstorm cannot be ruled out near KHBG or KPIB after 18Z, but confidence in impacts is too low to mention at this time. /NF/
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.PRELIMINARY POINT TEMPS/POPS... Jackson 64 88 67 91 / 0 10 0 0 Meridian 66 87 65 89 / 0 10 0 0 Vicksburg 61 89 66 91 / 0 0 0 0 Hattiesburg 67 90 67 91 / 0 20 0 0 Natchez 60 89 66 91 / 0 0 0 0 Greenville 58 89 65 92 / 0 0 0 0 Greenwood 61 90 65 93 / 0 0 0 0
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.JAN WATCHES/WARNINGS/ADVISORIES... MS...None. LA...None. AR...None. &&
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NF/SW
NWS JAN Office Area Forecast Discussion