


Area Forecast Discussion
Issued by NWS Jackson, MS
Issued by NWS Jackson, MS
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807 FXUS64 KJAN 170718 AFDJAN Area Forecast Discussion National Weather Service Jackson MS 218 AM CDT Sun Aug 17 2025 ...New DISCUSSION... .DISCUSSION... Issued at 215 AM CDT Sun Aug 17 2025 Upper level high pressure prevails over the area and with the subsidence expect mainly just isolated thunderstorm activity this afternoon. With temperatures in the mid/upper 90s along with the very humid airmass, a heat advisory is in affect today. Little will change tomorrow, as upper high pressure remains over the region. Upper ridging will begin to weaken on Wednesday, but expect the hot temperatures to continue. Upper ridging will finally weaken over the area on Thursday, as a upper troughing rotates around the ridge. Expect cooler temperatures and an increased chances for storms on Thursday. Upper troughing will continue into the weekend with cooler temperatures and afternoon storms./15/ && .AVIATION... (06Z TAFS) Issued at 1253 AM CDT Sun Aug 17 2025 All TAF sites are VFR tonight and this will continue across most sites through the period. Some patchy fog is possible early in the morning. Isolated thunderstorms are possible this afternoon and this could bring periods of MVFR/IFR conditions./15/ && .PRELIMINARY POINT TEMPS/POPS... Jackson 98 76 99 75 / 20 10 20 10 Meridian 96 73 97 74 / 20 10 10 10 Vicksburg 98 76 99 75 / 20 10 20 10 Hattiesburg 98 75 98 75 / 30 10 20 10 Natchez 96 75 97 74 / 20 10 20 10 Greenville 98 76 100 76 / 10 10 10 0 Greenwood 99 75 101 76 / 10 10 10 0 && .JAN WATCHES/WARNINGS/ADVISORIES... MS...Heat Advisory from 10 AM this morning to 8 PM CDT this evening for MSZ018-019-025>066-072>074. LA...Heat Advisory from 10 AM this morning to 8 PM CDT this evening for LAZ007>009-015-016-023>026. AR...Heat Advisory from 10 AM this morning to 8 PM CDT this evening for ARZ074-075. && $$ 15