textproduct: Shreveport

KEY MESSAGES

Issued at 1244 AM CDT Tue Sep 8 2026

- Persistent hazardous heat continue with a widespread Heat Advisory through Tuesday evening.

- Scattered, diurnally driven showers and thunderstorms will remain a daily fixture through the week.

- There remains some indication that the pattern could change towards the end of the week, will it bring some "cooler" temps?

DISCUSSION

Issued at 1244 AM CDT Tue Sep 8 2026

The synoptic environment remains firmly dominated by a broad upper-level ridge that is centered over the southern Great Plains, maintaining its prevailing influence across the Four State Region. Within the easterly and southeasterly flow around the periphery of this ridge, subtle mid-level perturbations will continue to trigger daily, diurnally driven convection. Through today, this activity will largely focus along a weak, lingering surface boundary draped across the area. By mid-week, this boundary is forecast to retreat more northward as a warm front, introducing a transient wedge of drier air and a more suppressed atmospheric profile for Wednesday. However, this lull in convective activity will be brief. A renewed surge of atmospheric moisture and vorticity will pool ahead of an approaching frontal boundary by Thursday, reinvigorating scattered shower and thunderstorm development across the region.

Looking toward the late week and into the weekend, long-range global guidance continues to highlight the small potential for a welcomed pattern shift. The persistent and oppressive ridge is expected to finally begin breaking down, bifurcated by expanding northern-stream troughing. As this trough deepens, it will drive a more robust cool front into the region later in the weekend. This evolution will not only yield more widespread precipitation chances but could also usher in some thermal relief. Now, it will not be cold by any means, and actually will still be hot, but I don't think it will be as hot. /33/

AVIATION

(18Z TAFS) Issued at 1208 PM CDT Tue Sep 8 2026

Outside of VCTS conditions possible from 08/20Z-09/00Z across area terminals, VFR conditions to prevail trough the forecast period ending 09/18Z. Southeast winds up to 8 knots this afternoon to become 5 knots or less overnight. Otherwise, southerly winds to increase to around 6 knots on Wednesday.

SPOTTER INFORMATION STATEMENT

Issued at 1244 AM CDT Tue Sep 8 2026

Spotter activation is not expected at this time.

PRELIMINARY POINT TEMPS/POPS

SHV 76 96 76 96 / 10 10 0 10 MLU 75 97 74 96 / 10 0 0 20 DEQ 72 98 71 97 / 0 10 0 30 TXK 76 97 75 97 / 0 10 0 20 ELD 73 97 73 97 / 0 10 0 10 TYR 76 97 75 96 / 20 0 0 10 GGG 75 98 74 98 / 10 0 0 10 LFK 74 92 73 91 / 10 10 0 30

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.