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

(06Z TAFS) Issued at 1244 AM CDT Tue Sep 8 2026

For the ArkLaTex terminals, light E/SE wind or calm in many locales overnight under fair skies. Southerly winds prevail 5-10KT for Tuesday with another hot Summer day on tap. Some more convection late day is hard to pin point with VCTS in at several sites until around 00Z. Little change in this pattern for the short week ahead, but an uptick in convection is expected by Friday as weak cool front pools all the moisture over our area for a few days through next weekend. /24/

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 98 76 95 76 / 30 10 20 0 MLU 99 75 96 73 / 20 10 10 0 DEQ 101 72 99 71 / 10 0 10 0 TXK 99 75 97 75 / 10 0 10 0 ELD 101 73 97 73 / 20 10 20 0 TYR 99 76 97 75 / 10 10 10 0 GGG 100 75 98 74 / 20 10 10 0 LFK 96 74 92 73 / 20 10 20 0

SHV WATCHES/WARNINGS/ADVISORIES

AR...Heat Advisory from 10 AM this morning to 7 PM CDT this evening for ARZ050-051-059>061-070>073.

LA...Heat Advisory from 10 AM this morning to 7 PM CDT this evening for LAZ001>006-010>014-017>022.

OK...Heat Advisory from 10 AM this morning to 7 PM CDT this evening for OKZ077.

TX...Heat Advisory from 10 AM this morning to 7 PM CDT this evening for TXZ096-097-108>112-124>126-136>138-149>153-165>167.