textproduct: Shreveport

KEY MESSAGES

Issued at 1230 AM CDT Wed Sep 16 2026

- A Heat Advisory remains in effect through 7 PM this evening, with further extension possible as highs in the mid to upper 90s continue through the remainder of the week and into the weekend.

- Scattered showers and weak storms will be possible across eastern portions of the ArkLaTex this afternoon.

- Dry conditions will persist through the remainder of the week and weekend, followed by more widespread rainfall chances and slight relief from the heat early next week.

DISCUSSION

Issued at 1230 AM CDT Wed Sep 16 2026

Upper level ridging over the Deep South and southern Appalachians will persist through the remainder of the week, gradually retrograding in the days ahead. By this afternoon, the center of the upper level high will remain far enough northeast to allow for scattered showers and weak storms to develop across the ArkLaTex. Have added or expanded lower end PoPs between 15Z and 00Z to account for this development, which short range high resolution guidance indicates will be similar to yesterday's, confined largely to the east of the I-49 corridor and quickly diminishing with sundown. Internal guidance is signaling patchy fog before daybreak, particularly across deep east Texas, extending to the Toledo Bend Country and adjacent portions of Louisiana.

As the upper level high continues to assert itself, our late summer heat will continue, with mid to upper 90s throughout. Will be maintaining the existing Heat Advisory, which will likely be extended in future updates. There may be some minor relief as drier air filters in by late week, noticeably lowering relative humidity values. However, the heat will remain all the same.

By the end of the weekend, our stubborn ridging will begin to lose definition, ultimately getting absorbed into upper level steering as a low takes shape over the northern Gulf, opening to door for an actual trough to swing south over the Plains and bring a frontal boundary near enough to generate widespread chances for showers and storms early next week, as well as an accompanying slight dent in afternoon highs into the low to middle 90s and overnight lows into the lower 70s and even upper 60s by the tail end of this extended forecast period.

/26/

AVIATION

(12Z TAFS) Issued at 547 AM CDT Wed Sep 16 2026

For the 16/12z TAF update...VFR conditions currently prevail for all terminals, although we are seeing some lower clouds across portions of the area, but not low enough to change flight categories. I have a TEMPO group in through for KLFK where we could see some MVFR conditions over the next few hours. Otherwise, winds will be light during this period. /33/

SPOTTER INFORMATION STATEMENT

Issued at 1230 AM CDT Wed Sep 16 2026

Spotter activation is not expected at this time. /26/

PRELIMINARY POINT TEMPS/POPS

SHV 97 77 97 74 / 30 0 0 0 MLU 99 76 99 71 / 20 0 0 0 DEQ 98 72 98 70 / 20 0 0 0 TXK 98 76 98 74 / 20 0 0 0 ELD 99 74 99 71 / 20 0 0 0 TYR 98 77 98 75 / 10 0 0 0 GGG 100 76 99 73 / 20 0 0 0 LFK 96 75 95 72 / 10 0 0 0

SHV WATCHES/WARNINGS/ADVISORIES

AR...Heat Advisory until 7 PM CDT this evening for ARZ050-051-059>061- 070>073.

LA...Heat Advisory until 7 PM CDT this evening for LAZ001>006-010>014- 017>022.

OK...Heat Advisory until 7 PM CDT this evening for OKZ077.

TX...Heat Advisory until 7 PM CDT this evening for TXZ096-097-108>112- 124>126-136>138-149>153-165>167.