textproduct: Jackson
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Dangerous levels of heat (limited to elevated) will return late this week and persist into the weekend.
MESOSCALE UPDATE
Issued at 952 PM CDT Tue Jul 7 2026
The showers/storms have dissipated across the area this evening and expect mainly partly cloudy skies to prevail overnight. Lows tonight will fall into the low to mid 70s./15/
DISCUSSION
Issued at 255 PM CDT Tue Jul 7 2026
Through Wednesday night: For this afternoon at least, the forecast area is getting a temporary reprieve from the active convective pattern, but a semi-organized convective cluster over north MS is developing southward, and outflow from this system this should increase thunderstorm chances along the Hwy 82 corridor as we approach early evening. Any storms that develop should diminish later this evening with mostly quiet weather conditions overnight. Going into Wednesday, we may see greater diurnal storm coverage with the continuation of cyclonic upper level flow associated with the LMV trough.
Thursday through the weekend: Rain chances will diminish for Thu- Fri as the subtropical ridge rebuilds over the forecast area. Accompanying the building ridge will be an increasing heat danger risk with H850 temps approach 21 deg C and low level flow developing a more westerly component. For now, we will message this threat with a heat danger graphic, but expect that a heat advisory will eventually be needed for portions of the area.
Early next week: Global models have a had a strong signal for a shortwave trough rotating around the ridge and sending a boundary toward our area in the Mon-Tue time frame, and this could support a significant round or two of convective rainfall. Along with this, the heat would diminish to below dangerous levels. /EC/
AVIATION
(06Z TAFS) Issued at 1239 AM CDT Wed Jul 8 2026
VFR flight conditions with light, southwesterly winds will prevail through the period. /SW/
PRELIMINARY POINT TEMPS/POPS
Jackson 91 73 93 73 / 40 10 20 0 Meridian 92 73 93 74 / 30 10 40 10 Vicksburg 91 75 93 75 / 50 20 10 0 Hattiesburg 94 75 94 75 / 30 30 30 0 Natchez 93 75 94 74 / 30 20 10 0 Greenville 91 74 94 76 / 40 10 10 0 Greenwood 92 74 94 75 / 40 40 20 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...None. LA...None. AR...None.
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