textproduct: Jackson

KEY MESSAGES

- Dangerous levels (limited to elevated) of heat will return Thursday and persist into the weekend.

DISCUSSION

Issued at 243 AM CDT Thu Jul 9 2026

Thursday through next Wednesday:

Thursday through Friday:

Sub-tropical ridging will remain over the region, continuing dangerous heat concerns for Thursday and Friday. Afternoon rainfall/convection will be possible along/east of I-55 Thursday then diminishing by Friday. A pattern change beginning Friday will bring rain chances through the rest of the extended forecast.

Saturday through Wednesday:

A potent upper-lvl ridge will build and traverse over the Northern Plains, resulting in downstream troughing over the Mid-MS Valley. The trough will slowly push a frontal boundary towards the southeast through the weekend and into next week. As the boundary progress towards the area, rain chances (70-85%) will be greatest on Sunday and Monday. Rain will stick around through mid-week as the boundary gradually moves over the area. With the ongoing rain potential, heat relief is expected as heat indices drop below 105 degrees. /SW/

AVIATION

(12Z TAFS) Issued at 619 AM CDT Thu Jul 9 2026

Overall, VFR flight categories will prevail at area TAF sites through this 12Z forecast. Isolated to scattered convection this afternoon and evening could result in a brief degradation of both ceilings and visibilities at sites where observed, mainly east of the Interstate 55 corridor, i.e. KGTR, KMEI, KPIB, & KHBG. Winds will increase from the southwest between 5-10 knots by late this morning, and continue as such through the afternoon hours. /19/

PRELIMINARY POINT TEMPS/POPS

Jackson 93 74 94 75 / 10 10 10 10 Meridian 93 74 94 75 / 30 10 10 10 Vicksburg 94 76 94 76 / 10 0 0 0 Hattiesburg 94 75 95 75 / 20 10 20 10 Natchez 94 74 95 75 / 10 0 0 0 Greenville 94 76 94 77 / 10 0 0 0 Greenwood 94 75 95 76 / 30 0 0 10

JAN WATCHES/WARNINGS/ADVISORIES

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