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Heat Advisory — Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Coastal Jackson, TX
Issued
Expires
6:00 PM CDT · dim., sept. 13 2026
Issuing Office
NWS KHGX

Affected Areas

Houston, TX Trinity, TX Madison, TX Walker, TX San Jacinto, TX Polk, TX Burleson, TX Brazos, TX Washington, TX Grimes, TX Montgomery, TX Northern Liberty, TX Colorado, TX Austin, TX Waller, TX Inland Harris, TX Wharton, TX Fort Bend, TX Inland Jackson, TX Inland Matagorda, TX Inland Brazoria, TX Coastal Jackson, TX

Official Bulletin

086
WWUS74 KHGX 130420
NPWHGX

URGENT - WEATHER MESSAGE
National Weather Service Houston/Galveston TX
1120 PM CDT Sat Sep 12 2026

TXZ163-164-176>179-195>200-210>213-226-227-235>237-335-132300-
/O.NEW.KHGX.HT.Y.0010.260913T1600Z-260913T2300Z/
Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos-
Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin-
Waller-Inland Harris-Wharton-Fort Bend-Inland Jackson-Inland
Matagorda-Inland Brazoria-Coastal Jackson-
Including the cities of Eagle Lake, Bellville, Hempstead, Pecan
Grove, College Station, Shepherd, Weimar, Livingston, Missouri City,
Sealy, Rosenberg, Trinity, Mission Bend, El Campo, Alvin, Waller,
Huntsville, The Woodlands, Coldspring, Corrigan, Houston, Ganado, Bay
City, Angleton, Brenham, Brookshire, Conroe, Navasota, Crockett,
Madisonville, Bryan, Prairie View, Wharton, Columbus, Liberty,
Somerville, Caldwell, Dayton, First Colony, Sugar Land, Cleveland,
Pearland, Groveton, and Edna
1120 PM CDT Sat Sep 12 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 6 PM CDT SUNDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...Portions of south central and southeast Texas.

* WHEN...From 11 AM to 6 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

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