Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1223 PM CDT Fri Aug 21 2026
TXZ093>095-106-220100-
/O.CAN.KFWD.XH.W.0002.000000T0000Z-260822T0100Z/
/O.EXA.KFWD.HT.Y.0027.000000T0000Z-260822T0100Z/
Grayson-Fannin-Lamar-Delta-
Including the cities of Sherman, Paris, Cooper, Denison, and Bonham
1223 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...EXTREME HEAT WARNING IS CANCELLED...
* WHAT...Heat index values up to 105.
* WHERE...Fannin, Grayson, Delta, and Lamar Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1223 PM CDT Fri Aug 21 2026
TXZ129-130-141>143-156>158-174-220100-
/O.CON.KFWD.HT.Y.0027.000000T0000Z-260822T0100Z/
Eastland-Erath-Comanche-Mills-Hamilton-Lampasas-Coryell-Bell-Milam-
Including the cities of Gorman, Fort Hood, Hico, Dublin, Temple,
Cameron, Rockdale, Eastland, Ranger, Gatesville, Hamilton,
Goldthwaite, Cisco, Lampasas, Killeen, De Leon, Copperas Cove,
Comanche, and Stephenville
1223 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 106.
* WHERE...Bell, Comanche, Coryell, Eastland, Erath, Hamilton,
Lampasas, Mills, and Milam Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1223 PM CDT Fri Aug 21 2026
TXZ135-146-148-220100-
/O.CON.KFWD.HT.Y.0025.000000T0000Z-260822T0100Z/
Henderson-Navarro-Anderson-
Including the cities of Athens, Corsicana, Palestine, and Gun Barrel
City
1223 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 108.
* WHERE...Navarro, Anderson, and Henderson Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1223 PM CDT Fri Aug 21 2026
TXZ144-145-147-159>162-175-220100-
/O.CON.KFWD.HT.Y.0026.000000T0000Z-260822T0100Z/
Bosque-Hill-Freestone-McLennan-Falls-Limestone-Leon-Robertson-
Including the cities of Oakwood, Normangee, Buffalo, Teague, Hearne,
Centerville, Meridian, Fairfield, Wortham, Hillsboro, Mexia,
Groesbeck, Waco, Calvert, Clifton, Franklin, Jewett, Valley Mills,
and Marlin
1223 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 107.
* WHERE...Bosque, Falls, Freestone, Hill, Limestone, McLennan, Leon,
and Robertson Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
Shamburger
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1209 PM CDT Fri Aug 21 2026
OKZ033-036-037-TXZ083>089-220715-
/O.NEW.KOUN.HT.Y.0041.260822T1800Z-260823T0000Z/
/O.CON.KOUN.HT.Y.0040.000000T0000Z-260822T0200Z/
Harmon-Jackson-Tillman-Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-
Archer-
Including the cities of Hollis, Seymour, Quanah, Holliday, Scotland,
Wichita Falls, Knox City, Altus, Frederick, Archer City, Munday,
Lakeside City, Vernon, Sheppard AFB, and Crowell
1209 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
* WHAT...For the first Heat Advisory, heat index values up to 107.
For the second Heat Advisory, heat index values up to 109 expected.
* WHERE...In Oklahoma, Harmon, Jackson, and Tillman Counties. In
Texas, Archer, Baylor, Foard, Hardeman, Knox, Wichita, and
Wilbarger Counties.
* WHEN...For the first Heat Advisory, until 9 PM CDT this evening.
For the second Heat Advisory, from 1 PM to 7 PM CDT Saturday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1209 PM CDT Fri Aug 21 2026
OKZ044-TXZ090-220715-
/O.NEW.KOUN.HT.Y.0041.260822T1800Z-260823T0000Z/
/O.CON.KOUN.XH.W.0014.000000T0000Z-260822T0200Z/
Cotton-Clay-
Including the cities of Walters, Temple, and Henrietta
1209 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 107. For the Heat Advisory, heat index
values up to 110 expected.
* WHERE...In Oklahoma, Cotton County. In Texas, Clay County.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 1 PM to 7 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
1154 AM CDT Fri Aug 21 2026
LAZ027>033-044-045-055-141>143-152>154-241>243-TXZ180-201-259>262-
515-516-615-616-220900-
/O.NEW.KLCH.HT.Y.0019.260822T1600Z-260823T0100Z/
/O.CON.KLCH.XH.W.0002.000000T0000Z-260822T0100Z/
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Lafayette-Upper St. Martin-Lower St. Martin-Northern Calcasieu-
Northern Jefferson Davis-Northern Acadia-Upper Vermilion-Upper
Iberia-Upper St. Mary-Southern Calcasieu-Southern Jefferson Davis-
Southern Acadia-Tyler-Hardin-Northern Jasper-Northern Newton-
Southern Jasper-Southern Newton-Upper Jefferson-Northern Orange-
Lower Jefferson-Southern Orange-
Including the cities of Silsbee, Ivanhoe, Nederland, Lafayette,
Jamestown, Mansura, Lumberton, Woodville, Pineville, Rayne, Sea Rim
State Park, Ville Platte, Gueydan, Lake Arthur, Port Arthur,
Berwick, St. Landry, Welsh, Stephensville, Sabine Pass, Gist,
Simmesport, Oretta, Breaux Bridge, Beaumont, Jeanerette, China,
Newton, Wiergate, St. Martinville, Maurice, Fort Polk, Pickering,
Fred, Jennings, Kirbyville, Centerville, Mauriceville, Hathaway,
Carlyss, Leesville, Burkeville, Cottonport, Roganville, Patterson,
Call, Oakdale, Hillister, Bell City, Farrsville, Beaver, Deweyville,
Vidor, Crowley, Kaplan, Alexandria, Branch, Sulphur, Bundick Lake,
Warren, De Ridder, Cade, Bunkie, Slagle,
Morgan City, Mt. Union, Bayou Vista, Spurger, Town Bluff, Hayes,
Meaux, Iota, De Quincy, Moss Bluff, Church Point, Lawtell, Franklin,
Marksville, Fenton, Fields, Magnolia Springs, Evadale, Iowa,
Bleakwood, Elton, Morse, Orange, Effie, Kinder, Westlake, Reddell,
Jasper, Buna, Lake Charles, Eunice, Holly Springs, Vinton, Opelousas,
Bridge City, Topsy, New Iberia, and Mamou
1154 AM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values from 113 to 114, as well as high
temperatures from 103 to 105. For the Heat Advisory, heat index
values up to 112 expected.
* WHERE...Portions of central, south central, southwest, and west
central Louisiana and southeast Texas.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.
For the Heat Advisory, from 11 AM to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. 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.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Monitor the latest forecasts and warnings for updates.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1121 AM CDT Fri Aug 21 2026
ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-220200-
/O.EXT.KSHV.HT.Y.0010.000000T0000Z-260823T0100Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-
Including the cities of Pittsburg, Mount Pleasant, Lone Star, Mount
Vernon, De Queen, Prescott, Omaha, Texarkana, Atlanta, Ashdown,
Naples, Queen City, Bogata, Linden, Nashville, Dierks, Idabel, Hope,
Mineral Springs, Clarksville, Hughes Springs, Lewisville, Bradley,
Stamps, Daingerfield, and Broken Bow
1121 AM CDT Fri Aug 21 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 109 expected.
* WHERE...Portions of southwest Arkansas, southeast Oklahoma, and
northeast Texas.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
26
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1121 AM CDT Fri Aug 21 2026
ARZ072-073-LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-
165>167-220200-
/O.EXB.KSHV.HT.Y.0010.260822T0200Z-260823T0100Z/
/O.CON.KSHV.XH.W.0004.000000T0000Z-260822T0200Z/
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-
Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of San Augustine, Carthage, Coushatta, Center,
Colfax, Springhill, Mansfield, Many, Gilmer, Shreveport, Ringgold,
Martin, Gibsland, Montgomery, Bernice, Columbia, Clarks, Ruston, Big
Sandy, Jefferson, Tyler, Quitman, Logansport, Pleasant Hill, Monroe,
Farmerville, Natchitoches, Nacogdoches, Stonewall, Winnsboro, Minden,
Magnolia, Arcadia, Henderson, Mineola, Lufkin, Jena, Homer, Dry
Prong, Olla, Hawkins, Longview, Jacksonville, Rusk, Grayson,
Jonesboro, Marshall, Hemphill, Pineland, Bossier City, El Dorado,
Zwolle, Haynesville, Midway, and Winnfield
1121 AM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 8 PM CDT
SATURDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 113. For the Heat Advisory, heat index
values up to 112 expected.
* WHERE...Portions of south central and southwest Arkansas, north
central and northwest Louisiana, and east and northeast Texas.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. 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.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Angelo TX
1119 AM CDT Fri Aug 21 2026
TXZ049-054-064>066-072-073-098-099-113-114-127-128-139-140-154-155-
221130-
/O.NEW.KSJT.HT.Y.0017.260822T1800Z-260823T0000Z/
/O.CON.KSJT.HT.Y.0016.260821T1800Z-260822T0000Z/
Fisher-Nolan-Sterling-Coke-Runnels-Tom Green-Concho-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-Coleman-Brown-
McCulloch-San Saba-
Including the cities of Winters, Tuxedo, Carlsbad, Rotan, Robert Lee,
Crews, Paint Rock, Coleman, Trickham, Haskell, Albany, Hatchel,
Rowena, Live Oak, Echo, Pumphrey, Cherokee, Brownwood, Stamford,
Truby, Valera, Voss, Eula, San Saba, Eden, Lowake, Voca, Tennyson,
Irby, San Angelo, Throckmorton, Fife, Wall, Bronte, Clyde,
Harkeyville, Ballinger, Brady, Cross Plains, Baird, Hamlin, Rochelle,
Dudley, Abilene, Benoit, Anson, Fisk, Woodson, Funston, Broome,
Indian Creek, Sterling City, Chappel, Silver, Sanco, Lohn,
Sweetwater, Roby, and Stith
1119 AM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Afternoon high temperatures reaching the 105 to 109 degree
range.
* WHERE...A portion of west central Texas along and north of a San
Angelo to Brady to San Saba line.
* WHEN...Until 7 PM CDT this evening, and then from 1 PM to 7 PM CDT
Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Heat Advisory means that hot weather conditions are occurring or
expected. This will create a situation in which heat illnesses are
possible.
Never, ever, leave children or pets alone in enclosed vehicles, not
even for a few minutes. Car interiors can reach lethal temperatures
in a matter of minutes.
Stay indoors and seek air-conditioned buildings. Drink water more
than usual, and avoid dehydrating alcoholic, sugary, or caffeinated
drinks. Dress for the heat by wearing lightweight and light colored
clothing. Eat small meals and eat more often. Monitor those with a
higher vulnerability to heat, including small children. Check in on
family, friends, and neighbors, especially the elderly. If engaging
in outdoor activity, take longer and more frequent breaks and avoid
the hottest parts of the day.
&&
$$
7
URGENT - WEATHER MESSAGE
National Weather Service Lubbock TX
722 AM CDT Fri Aug 21 2026
TXZ024>026-030>032-036>038-042>044-220100-
/O.CON.KLUB.HT.Y.0022.260821T1800Z-260822T0100Z/
Briscoe-Hall-Childress-Floyd-Motley-Cottle-Crosby-Dickens-King-Garza-
Kent-Stonewall-
Including the cities of Post, Quitaque, Spur, Dickens, Kirkland,
Silverton, Lockney, Cee Vee, Guthrie, Jayton, Paducah, Aspermont,
Childress, Floydada, Old Glory, Crosbyton, Dumont, Matador, Lake Alan
Henry, Roaring Springs, Turkey, Memphis, and Ralls
722 AM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING...
* WHAT...Temperatures up to 109 expected.
* WHERE...The far southeastern Texas Panhandle and the Rolling
Plains.
* WHEN...From 1 PM this afternoon to 8 PM CDT this evening.
* IMPACTS...Hot temperatures 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.
&&
$$
30
URGENT - WEATHER MESSAGE
National Weather Service Houston/Galveston TX
634 AM CDT Fri Aug 21 2026
TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338-
436>439-212300-
/O.CON.KHGX.HT.Y.0008.000000T0000Z-260823T0000Z/
Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos-
Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin-
Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson-
Inland Matagorda-Inland Brazoria-Inland Galveston-Southern
Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal
Brazoria-Coastal Galveston-Matagorda Islands-Brazoria Islands-
Galveston Island-Bolivar Peninsula-
Including the cities of Somerville, College Station, Lake Jackson,
Palacios, Conroe, Waller, Brookshire, Dickinson, Sealy, Cleveland,
Sugar Land, Brenham, Galveston, Ganado, Winnie, Bryan, Alvin,
Surfside Beach, Houston, Mont Belvieu, Trinity, Bellville, Angleton,
Texas City, Bay City, Corrigan, Navasota, Columbus, Dayton, Prairie
View, Wharton, League City, Edna, Friendswood, Baytown, Crockett,
Pecan Grove, Shepherd, Livingston, Anahuac, Madisonville, Devers, La
Marque, Eagle Lake, First Colony,
Huntsville, Old River-Winfree, Missouri City, Mission Bend,
Pearland, Coldspring, Caldwell, Liberty, Stowell, Hempstead,
Pasadena, The Woodlands, Clute, Freeport, Groveton, Weimar, El Campo,
and Rosenberg
634 AM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY...
* WHAT...Heat index values 108 to 112.
* WHERE...Portions of south central and southeast Texas.
* WHEN...Until 7 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Locally higher heat index values are possible,
especially in Chambers, Liberty, San Jacinto and Polk Counties. If
forecast heat indices trend higher, then an Excessive Heat Warning
may be warranted for these counties.
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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
401 PM CDT Thu Aug 20 2026
TXZ171>173-191>194-205>209-220>225-212100-
/O.CON.KEWX.HT.Y.0007.000000T0000Z-260824T0000Z/
Llano-Burnet-Williamson-Hays-Travis-Bastrop-Lee-Bexar-Comal-
Guadalupe-Caldwell-Fayette-Atascosa-Wilson-Karnes-Gonzales-DeWitt-
Lavaca-
Including the cities of Pleasanton, La Grange, Gonzales, Bastrop,
Lockhart, Hallettsville, Austin, Burnet, Giddings, Floresville,
Karnes City, New Braunfels, San Antonio, Seguin, Llano, Cuero, San
Marcos, and Georgetown
401 PM CDT Thu Aug 20 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...
* WHAT...Temperatures up to 104 and heat index values up to 112
expected.
* WHERE...The northern Hill Country, I-35 Corridor, and Coastal
Plains.
* WHEN...Until 7 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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Tran
