FXUS64 KJAN 150630 AFDJAN Area Forecast Discussion National Weather Service Jackson MS 130 AM CDT Wed Apr 15 2026 ...New AVIATION... .KEY MESSAGES... - Limited threat for dense fog development Wednesday morning, particularly across south and east Mississippi. - Scattered to isolated showers and thunderstorms mainly north of Interstate 20 Thursday afternoon. - Chances for more widespread shower and thunderstorm activity exists areawide Saturday afternoon and night. && .DISCUSSION... Issued at 116 PM CDT Tue Apr 14 2026 Tonight through next Monday...Strong high pressure aloft will continue to meander over the central and eastern Gulf of America through the end of the week. This, while high pressure at the surface centered off the coast of the Carolinas, remains wedged into the region from the east. The combination of the two will continue to promote overall quiet conditions and above normal warmth across the forecast area through the remainder of this week and into the start of the upcoming weekend. With increased moisture, mild conditions, and light to calm winds overnight into early Wednesday morning, fog is again possible across mainly south and east Mississippi. A "limited" threat of dense fog is possible here again as well, with visibilities reduced to a half mile or less at times. Any fog that develops will begin eroding after sunrise. Otherwise, look for a quiet night with some low stratus again developing across portions of the area, as lows range from the upper 50s to middle 60s. There will be a slight increase in rain chances across northern portions of the forecast area on Thursday. While the remainder of the CWA will remain dry, a shortwave lifting northeast across the Mid-South region could spark some isolated showers and storms across mainly the Highway 82 corridor during peak heating hours Thursday afternoon. Any convection that develops during this time, will quickly dissipate in the early evening as day time heating wanes. A better chance for showers and isolated storms currently exists across the entire forecast area Saturday afternoon into Saturday night. This is as a result of a stronger shortwave that's advertised to push a cold front east into and through the region late Saturday afternoon into early Sunday. While any rain chances are certainly welcomed, unfortunately this front will be in the process of weakening as forcing lifts out to the northeast. This looks to keep the better rain chances during this timeframe across western and northern portions of the forecast area. Therefore, the upcoming weekend is by no means looking to be a washout. In the wake of the front Sunday into Monday, some relief from the above normal warmth and humid conditions is expected. Highs both days currently look to struggle to climb out of the 70s. While lows both Sunday and Monday night will be cool as they generally fall into the upper 40s and low to middle 50s. /19/ && .AVIATION... (06Z TAFS) Issued at 129 AM CDT Wed Apr 15 2026 VFR conditions will prevail through most of tonight. Another round of low stratus/fog potential will advect in from the south toward daybreak, and primarily impact southern/eastern sites with LIFR/IFR categories during the early to mid morning hours Wednesday. Expect a quick improvement to VFR category at all sites by late morning continuing through the remainder of the day and into the evening. Southerly surface wind will diminish this evening, then pick up during the day and become gusty. /EC/ && .PRELIMINARY POINT TEMPS/POPS... Jackson 84 63 86 64 / 0 0 10 0 Meridian 85 60 86 61 / 0 0 10 0 Vicksburg 86 63 87 65 / 0 0 10 0 Hattiesburg 85 62 87 62 / 0 0 10 0 Natchez 85 64 87 64 / 0 0 10 0 Greenville 86 67 86 66 / 0 10 30 10 Greenwood 86 66 85 66 / 0 0 20 10 && .JAN WATCHES/WARNINGS/ADVISORIES... MS...None. LA...None. AR...None. && $$ 19/SW/EC