textproduct: NWS Birmingham

KEY MESSAGES

Issued at 1244 AM CDT SAT SEP 5 2026

- Significant Heat Risk: Heat indices will remain between 105-108 degrees through the weekend. The Heat Advisory is now in effect until 8 PM Sunday.

- Storms Sunday: Strong storms are possible Sunday afternoon into the evening across the southeast portions of Central Alabama. Primary hazards will include gusty winds and localized heavy rainfall.

DISCUSSION

(Saturday through next Friday) Issued at 1136 PM CDT FRI SEP 4 2026

Synoptically, the upper level ridge will oscillate from east to west to east again over the next 7 days. High temperatures are forecast to remain in the 95 to 100 degree range during this time frame, with afternoon heat indices exceeding 105. Rain chances will edge up over the weekend, as the ridge initially slides westward.

Over the next 24 to 30 hours, rain chances will increase across the southeast after 9 am as a weak boundary moves northward. Showers and thunderstorms are expected with high confidence between 10 am and 3 pm south of I-85. Moving northward, scattered development is anticipated between I-85 and the Livingston to Alexander City line from 12 pm to 5 pm, followed by activity from Tuscaloosa to Sylacauga between 2 pm and 7 pm, and finally from Jasper to Talladega between 3 pm and 7 pm. Scattered showers and storms are also anticipated north of I-85 throughout the afternoon. While isolated activity may precede these windows by roughly an hour, the highest probabilities are concentrated within these periods. Scattered showers will persist through the early evening across central sections. On Sunday, the boundary will shift southward by the afternoon and evening, bringing the potential for stronger thunderstorms to the southeast; we will continue to monitor trends over the next 36 hours.

16

AVIATION

(06Z TAFS) Issued at 1244 AM CDT SAT SEP 5 2026

VFR conditions are expected through the TAF period at KBHM, KEET, and KTCL. Farther south, there is a potential for fog and/or LIFR ceilings at KAUO, and KMGM around daybreak. However, confidence is quite low regarding the northern extent of these conditions, which may stay just south of those two sites. The potential for scattered showers and thunderstorms warrants a PROB30 at KAUO and KMGM after 18Z.

87/Grantham

FIRE WEATHER

Minimum RH values will generally remain above 40% through the weekend and into next week. Low to moderate (20 to 60%) chances of showers and storms over the weekend with the best chances in the southeast on Saturday. Low (10 to 20%) chances for showers and storms will be in the forecast daily next week. Fire weather concerns are currently low, but decreasing soil moisture will begin to raise these concerns by next week given a lack of forecast rainfall.

PRELIMINARY POINT TEMPS/POPS

Gadsden 99 74 98 72 / 20 20 10 10 Anniston 96 72 97 71 / 20 20 20 10 Birmingham 98 75 98 74 / 20 20 20 10 Tuscaloosa 98 75 101 73 / 30 20 20 10 Calera 95 74 98 72 / 30 20 20 10 Auburn 91 74 95 73 / 40 10 30 40 Montgomery 91 74 98 73 / 50 10 30 30 Troy 89 72 96 71 / 60 10 40 40

BMX WATCHES/WARNINGS/ADVISORIES

Heat Advisory until 8 PM CDT Sunday for the following counties: Autauga-Barbour-Bibb-Blount-Bullock-Calhoun-Chambers-Cherokee- Chilton-Clay-Cleburne-Coosa-Dallas-Elmore-Etowah-Fayette-Greene- Hale-Jefferson-Lamar-Lee-Lowndes-Macon-Marengo-Marion-Montgomery- Perry-Pickens-Pike-Randolph-Russell-Shelby-St. Clair-Sumter- Talladega-Tallapoosa-Tuscaloosa-Walker-Winston.