textproduct: Jackson

KEY MESSAGES

- Dangerous heat stress returns across portions of the forecast area this week.

- Rain chances remain best south of the Interstate 20 corridor through the week.

DISCUSSION

Issued at 1221 PM CDT Sun Aug 30 2026

Tonight through Saturday...Isolated rain chances will continue across southeastern portions of the area this afternoon as the cut-off low moves across the Gulf coastline. After sunset, clear/quiet conditions are expected this evening as rain chances diminish across I-59 and HWY 84 corridor. Patchy fog may be possible early Monday morning.

High pressure will settle over the Southeast CONUS over the course of this week, lingering through the rest of the week. Dangerous heat concerns are expected to return as highs range in the mid/upper 90s and heat indices reach 105-110F. Areawide "Limited" heat risk will continue to be advertised and more than like extend into the week. We will also monitor for any need for heat advisories on a day-to- day basics. As the high settles, additional cut-off low disturbances will traverse around the ridge, bringing deep moisture and storm chances (25-50%) starting along the HWY 84 corridor. Mid-week, rain chances will expand to the I-20 corridor and eastern MS as the pattern lingers into the end of the week. /SW/

AVIATION

(06Z TAFS) Issued at 1057 PM CDT Sun Aug 30 2026

VFR conditions are expected to persist throughout the period for all sites. A possibility for diurnally driven showers around hattiesburg this afternoon/evening, can not be ruled out. As such PROB30 line from 31/2200z to 01/0400z was added to reflect those chances. /OAJ/

PRELIMINARY POINT TEMPS/POPS

Jackson 93 74 95 74 / 10 0 0 0 Meridian 93 73 95 74 / 0 0 0 0 Vicksburg 93 74 95 74 / 0 0 0 0 Hattiesburg 93 73 94 73 / 30 20 30 20 Natchez 93 73 95 74 / 10 0 10 10 Greenville 97 75 98 76 / 0 0 0 0 Greenwood 95 74 97 75 / 0 0 0 0

JAN WATCHES/WARNINGS/ADVISORIES

MS...None. LA...None. AR...None.