textproduct: Jackson

KEY MESSAGES

- Dangerous heat stress will persist across the forecast area this week.

- Rain chances begin increasing areawide Thursday, with chances continuing each afternoon through early next week.

DISCUSSION

Issued at 124 PM CDT Wed Sep 2 2026

Tonight through next Tuesday...High pressure aloft and at the surface will remain in place across the region through the forecast period. Therefore, expect a continuation of hot temperatures and humid conditions into early next week. Highs each afternoon will warm into the middle and upper 90s. This, as dew points mix each day in the low and middle 70s, will continue to yield afternoon heat index values above the century mark. This prolonged period of dangerous heat stress is expected, with a "Heat Advisory" at a minimum needed for portions of, if not all of, the forecast area each day.

An isolated shower or storm will be possible across mainly southern portions of the CWA, in the vicinity of the Highway 84 corridor today. A slug of moisture, associated with a disturbance, will lift north from the Gulf of America and into the region heading into Labor Day weekend. Better rain chances will likewise spread northward into the CWA Thursday into the weekend. Diurnally driven showers and storms will remain possible through the weekend into early next week. While storms are currently expected to remain below severe limits, some gusty winds could accompany the most intense storms. Frequent lightning and heavy downpours will be possible with any storms that develop. /19/

AVIATION

(18Z TAFS) Issued at 1230 PM CDT Wed Sep 2 2026

VFR conditions will prevail through the TAF period. Winds will be light and southerly to begin the period, shifting out of the north around 12Z Thursday./KP/

PRELIMINARY POINT TEMPS/POPS

Jackson 75 96 74 96 / 0 30 10 60 Meridian 75 98 74 96 / 0 20 20 60 Vicksburg 74 95 73 95 / 0 20 10 30 Hattiesburg 74 96 74 94 / 10 40 30 80 Natchez 73 95 74 95 / 0 20 10 70 Greenville 76 97 75 98 / 0 10 10 10 Greenwood 75 97 74 98 / 0 20 10 10

JAN WATCHES/WARNINGS/ADVISORIES

MS...Heat Advisory until 7 PM CDT this evening for MSZ018-019-025>066- 072>074.

Heat Advisory from noon to 7 PM CDT Thursday for MSZ018-019- 025>066-072>074.

LA...Heat Advisory until 7 PM CDT this evening for LAZ007>009-015-016- 023>026.

Heat Advisory from noon to 7 PM CDT Thursday for LAZ007>009-015- 016-023>026.

AR...Heat Advisory until 7 PM CDT this evening for ARZ074-075.

Heat Advisory from noon to 7 PM CDT Thursday for ARZ074-075.