Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1023 PM CDT Fri Aug 21 2026
OKZ033-036-037-044-TXZ083>090-221730-
/O.CON.KOUN.HT.Y.0041.260822T1800Z-260823T0000Z/
Harmon-Jackson-Tillman-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox-
Baylor-Archer-Clay-
Including the cities of Lakeside City, Vernon, Scotland, Knox City,
Quanah, Henrietta, Walters, Archer City, Frederick, Hollis, Altus,
Munday, Sheppard AFB, Holliday, Wichita Falls, Seymour, Crowell, and
Temple
1023 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
* WHAT...Heat index values up to 110 expected.
* WHERE...Portions of southwest Oklahoma and northern Texas.
* WHEN...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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
845 PM CDT Fri Aug 21 2026
TXZ020-317-220945-
/O.EXP.KAMA.HT.Y.0040.000000T0000Z-260822T0200Z/
/O.CON.KAMA.HT.Y.0042.260822T1800Z-260823T0100Z/
Collingsworth-Palo Duro Canyon-
Including the cities of Dozier, Lutie, Palo Duro Canyon State Park,
Wellington, and Samnorwood
845 PM CDT Fri Aug 21 2026
...HEAT ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY...
* WHAT...Temperatures between 107-109.
* WHERE...Collingsworth County and Palo Duro Canyon.
* WHEN...From 1 PM to 8 PM CDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
845 PM CDT Fri Aug 21 2026
TXZ018-019-220945-
/O.EXP.KAMA.HT.Y.0041.000000T0000Z-260822T0200Z/
/O.CON.KAMA.HT.Y.0042.260822T1800Z-260823T0100Z/
Armstrong-Donley-
Including the cities of Washburn, Wayside, Goodnight, Claude, and
Clarendon
845 PM CDT Fri Aug 21 2026
...HEAT ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY...
* WHAT...Temperatures up to 105 expected.
* WHERE...Armstrong and Donley Counties.
* WHEN...From 1 PM to 8 PM CDT Saturday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Lubbock TX
833 PM CDT Fri Aug 21 2026
TXZ030-035-036-041-230100-
/O.CON.KLUB.HT.Y.0023.260822T1700Z-260823T0100Z/
Floyd-Lubbock-Crosby-Lynn-
Including the cities of New Home, Lockney, ODonnell, Ralls, Lubbock,
Crosbyton, Floydada, Slaton, Tahoka, and Wolfforth
833 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT SATURDAY...
* WHAT...Temperatures around 105 expected.
* WHERE...Lubbock and Lynn Counties.
* WHEN...From noon to 8 PM CDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
AP
URGENT - WEATHER MESSAGE
National Weather Service Lubbock TX
833 PM CDT Fri Aug 21 2026
TXZ024>026-031-032-037-038-042>044-230100-
/O.CON.KLUB.HT.Y.0023.260822T1700Z-260823T0100Z/
Briscoe-Hall-Childress-Motley-Cottle-Dickens-King-Garza-Kent-
Stonewall-
Including the cities of Quitaque, Cee Vee, Guthrie, Turkey, Dumont,
Post, Memphis, Aspermont, Silverton, Childress, Lake Alan Henry, Old
Glory, Jayton, Matador, Kirkland, Paducah, Spur, Roaring Springs, and
Dickens
833 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT SATURDAY...
* WHAT...Temperatures up to 109 expected.
* WHERE...The far southeastern Texas Panhandle and the Rolling
Plains.
* WHEN...From noon to 8 PM CDT Saturday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
829 PM CDT Fri Aug 21 2026
ARZ072-073-LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-
165>167-220930-
/O.CAN.KSHV.XH.W.0004.000000T0000Z-260822T0200Z/
/O.CON.KSHV.HT.Y.0010.260822T0200Z-260823T0100Z/
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 Ruston, Big Sandy, Quitman, Hemphill,
Pineland, Magnolia, Midway, Mineola, San Augustine, Jonesboro,
Farmerville, Homer, Haynesville, Monroe, Clarks, Winnsboro, Minden,
Jefferson, Jacksonville, Martin, Jena, Lufkin, Zwolle, Coushatta, El
Dorado, Mansfield, Stonewall, Colfax, Nacogdoches, Many, Winnfield,
Arcadia, Montgomery, Springhill, Bossier City, Grayson, Gilmer,
Tyler, Center, Olla, Gibsland, Henderson, Shreveport, Rusk, Bernice,
Columbia, Marshall, Carthage, Longview, Pleasant Hill, Dry Prong,
Logansport, Hawkins, Natchitoches, and Ringgold
829 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING IS CANCELLED...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 110 degrees expected Saturday
afternoon.
* WHERE...Portions of south central and southwest Arkansas, north
central and northwest Louisiana, and east 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
829 PM CDT Fri Aug 21 2026
ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-220930-
/O.CON.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 Stamps, Idabel, Bradley, De Queen, Broken
Bow, Clarksville, Dierks, Hughes Springs, Mount Pleasant, Lone Star,
Pittsburg, Bogata, Nashville, Texarkana, Daingerfield, Queen City,
Mineral Springs, Hope, Prescott, Omaha, Naples, Mount Vernon,
Lewisville, Linden, Atlanta, and Ashdown
829 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 110 degrees expected Saturday
afternoon.
* 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.
&&
$$
15
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
820 PM CDT Fri Aug 21 2026
ARZ052-053-062>069-221200-
/O.EXP.KLZK.HT.Y.0024.000000T0000Z-260822T0100Z/
/O.CON.KLZK.HT.Y.0025.260822T1600Z-260823T0100Z/
Pike-Clark-Dallas-Cleveland-Lincoln-Desha-Ouachita-Calhoun-Bradley-
Drew-
Including the cities of Warren, Star City, McGehee, Thornton, Camden,
Murfreesboro, Fordyce, Monticello, Arkadelphia, Dumas, Rison, Gould,
Hampton, Glenwood, and Kingsland
820 PM CDT Fri Aug 21 2026
...HEAT ADVISORY FOR FRIDAY HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 106 expected.
* WHERE...Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark,
Dallas, Ouachita, and Pike Counties.
* WHEN...From 11 AM to 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
805 PM CDT Fri Aug 21 2026
LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-221700-
/O.EXP.KLIX.XH.W.0008.000000T0000Z-260822T0100Z/
/O.CON.KLIX.HT.Y.0023.260822T1600Z-260823T0100Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-Assumption-St. James-
St. John The Baptist-Upper St. Bernard-Lower St. Bernard-Northern
Tangipahoa-Southeast St. Tammany-Western Orleans-Eastern Orleans-
Northern St. Tammany-Southwestern St. Tammany-Central Tangipahoa-
Lower Tangipahoa-Northern Livingston-Southern Livingston-Western
Ascension-Eastern Ascension-Upper Jefferson-Upper Plaquemines-
Central Plaquemines-Lower Plaquemines-Central Jefferson-Coastal
Jefferson-Upper Lafourche-Lower Lafourche-Upper Terrebonne-Lower
Terrebonne-Upper St. Charles-Central St. Charles-Lower St.
Charles-Wilkinson-Amite-Pike-Walthall-Pearl River-Northern
Hancock-Northern Harrison-Northern Jackson-Southern Hancock-
Southern Harrison-Southern Jackson-
Including the cities of Gautier, Leeville, Waveland, Grand Isle,
Bay St. Louis, Thibodaux, Killian, Springfield, New Roads,
Destrehan, Pearlington, St. Martin, Centreville, Tylertown,
Saucier, Metairie, Lettsworth, Franklinton, Vancleave, Folsom,
Violet, Prairieville, Greensburg, Madisonville, Alliance, Acy,
Escatawpa, Dulac, Biloxi, Ocean Springs, Salem, Larose, Kenner,
Galliano, Chauvin, Plaquemine, Brusly, Norco, Paincourtville, Port
Allen, Pass Christian, Livingston, Slidell, Boutte, Labadieville,
Donaldsonville, Mandeville, Spillman, Delacroix, Raceland, Pointe A
La Hache, Bayou Cane, Barataria, Pascagoula, Ponchatoula, Covington,
Pierre Part, Amite, Shell Beach, Geismar, Livonia, Bonnet Carre
Spillway, Jackson, Akers, Diamondhead, Gillsburg, McNeil,
Independence, Poplarville, Baton Rouge, Cut Off, Easleyville, Dexter,
Gretna, Montpelier, Tickfaw, Braithwaite, Montegut, Convent, Bush,
Gonzales, Bogalusa, McComb,
Darlington, Port Sulphur, St. Francisville, Wilmer, Sellers,
French Settlement, White Castle, Meraux, Walker, Chalmette, Gulfport,
Gramercy, Roseland, Marrero, Lafitte, Kiln, Addis, Kentwood, Luling,
Hammond, Lockport, Golden Meadow, Westwego, Smithdale, Liberty, Long
Beach, Bayou Sorrel, Buras, Clinton, Cocodrie, Dolorosa, Robert,
Enon, Gloster, Moss Point, Fort Adams, Jean Lafitte, Lyman, Necaise,
Harahan, Reserve, New Orleans, Woodville, Wade, Whitehall, Yscloskey,
Belle Chasse, Picayune, Denham Springs, East New Orleans, Felps,
Montz, Crossroads, Lutcher, Laplace, Wakefield, Houma, Sorrento, and
Hahnville
805 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 112 degrees expected.
* WHERE...All of southeast Louisiana and southern Mississippi.
* WHEN...From 11 AM to 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.
&&
$$
Frye
URGENT - WEATHER MESSAGE
National Weather Service San Angelo TX
725 PM CDT Fri Aug 21 2026
TXZ049-054-064>066-072-073-098-099-113-114-127-128-139-140-154-155-
221200-
/O.EXP.KSJT.HT.Y.0016.000000T0000Z-260822T0000Z/
/O.CON.KSJT.HT.Y.0017.260822T1800Z-260823T0000Z/
Fisher-Nolan-Sterling-Coke-Runnels-Tom Green-Concho-Haskell-
Throckmorton-Jones-Shackelford-Taylor-Callahan-Coleman-Brown-
McCulloch-San Saba-
Including the cities of Brownwood, Winters, Haskell, Lohn, Lowake,
Hatchel, Clyde, Broome, Stamford, Silver, Pumphrey, Tennyson, Truby,
Tuxedo, Valera, Rochelle, Rowena, Eula, Sweetwater, Robert Lee,
Rotan, Irby, Trickham, Harkeyville, Roby, Eden, Funston, Chappel, San
Angelo, San Saba, Abilene, Sanco, Crews, Ballinger, Throckmorton,
Wall, Live Oak, Bronte, Brady, Cherokee, Benoit, Stith, Woodson,
Dudley, Sterling City, Baird, Anson, Coleman, Hamlin, Echo, Cross
Plains, Voss, Indian Creek, Paint Rock, Carlsbad, Fife, Voca, Albany,
and Fisk
725 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
* WHAT...Afternoon temperatures reaching the 105 to 109 degree range.
* WHERE...A portion of west central Texas.
* WHEN...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.
&&
$$
21
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
705 PM CDT Fri Aug 21 2026
LAZ007>009-015-016-023>026-MSZ040>043-047>049-053>055-059>064-072-
221100-
/O.CON.KJAN.XH.W.0009.000000T0000Z-260822T0100Z/
/O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
Morehouse-West Carroll-East Carroll-Richland-Madison LA-Franklin
LA-Catahoula-Tensas-Concordia-Issaquena-Sharkey-Yazoo-Madison MS-
Warren-Hinds-Rankin-Claiborne-Copiah-Simpson-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Marion-
Including the cities of Rayville, Madison, Jonesville, Natchez,
Vicksburg, Mayersville, St. Joseph, Tallulah, Pearl, Anguilla,
Crystal Springs, Columbia, Prentiss, Jackson, Canton, Oak Grove,
Harrisonburg, Waterproof, Fayette, Magee, Epps, West Ferriday,
Bastrop, New Hebron, Bude, Meadville, Brookhaven, Winnsboro,
Hazlehurst, Bassfield, Monticello, Lake Providence, Roxie, Rolling
Fork, Newellton, Delhi, Richland, Yazoo City, Mendenhall, Ferriday,
Wesson, Brandon, Ridgeland, Port Gibson, and Vidalia
705 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 115 degrees. For the Heat Advisory,
heat index values up to 110 degrees expected.
* WHERE...Portions of northeast Louisiana and central, south central,
southwest, and west central Mississippi.
* 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...Hot temperatures and high humidity may cause heat related
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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
705 PM CDT Fri Aug 21 2026
ARZ074-075-MSZ018-019-025-034>036-221100-
/O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/
/O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys-Holmes-
Including the cities of Lake Village, Durant, Pickens, Ruleville,
Cleveland, North Crossett, Tchula, West Crossett, Hamburg, Goodman,
Greenwood, Indianola, Crossett, Dermott, Greenville, Isola, Eudora,
Lexington, and Belzoni
705 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values of up to 110 degrees expected.
* WHERE...In Arkansas, Ashley and Chicot Counties. In Mississippi,
Holmes, Humphreys, Leflore, Bolivar, Sunflower, and Washington
Counties.
* WHEN...For the Heat Advisory today, until 8 PM CDT this evening.
For the second Heat Advisory Saturday, from 11 AM to 8 PM CDT
Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat related
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
109 PM PDT Fri Aug 21 2026
ORZ049-505-507-511-WAZ027>029-220500-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Grande Ronde Valley-John Day Basin-Foothills of the Northern Blue
Mountains of Oregon-Central Oregon-Yakima Valley-Lower Columbia
Basin of Washington-Foothills of the Blue Mountains of Washington-
Including the cities of La Grande, Walla Walla, John Day,
Tri-Cities, Sunnyside, Toppenish, Cove, Spray, Prosser,
Waitsburg, Elgin, Madras, Prineville, Dayton, Mitchell, Union,
Pendleton, Connell, Dayville, Yakima, Naches, Redmond, Monument,
Bend, Pilot Rock, and Athena
109 PM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...Hot conditions with afternoon high temperatures of 90 to 100
degrees. This will pose a moderate risk of heat-related illness.
* WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of the
Northern Blue Mountains of Oregon, and Grande Ronde Valley. In
Washington, Yakima Valley, Lower Columbia Basin of Washington, and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 10 PM PDT 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.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
109 PM PDT Fri Aug 21 2026
ORZ041-044-508-510-WAZ024-220515-
/O.NEW.KPDT.WI.Y.0030.260822T1800Z-260823T0600Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Eastern Columbia River Gorge of Oregon-Lower Columbia Basin of
Oregon-Foothills of the Southern Blue Mountains of Oregon-North
Central Oregon-Eastern Columbia River Gorge of Washington-
Including the cities of Moro, Arlington, White Salmon, Fossil,
Hermiston, The Dalles, Maupin, Boardman, Condon, Heppner, Dufur, and
Ione
109 PM PDT Fri Aug 21 2026
...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...For the Heat Advisory, hot conditions with afternoon high
temperatures of 95 to 105 degrees. This will pose a moderate to
major risk of heat-related illness. For the Wind Advisory, west
winds 20 to 30 mph with gusts of 35 to 45 mph expected.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Foothills of the Southern Blue
Mountains of Oregon, and North Central Oregon.
* WHEN...For the Heat Advisory, until 10 PM PDT this evening. For the
Wind Advisory, from 11 AM to 11 PM PDT Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Hot
temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
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.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
109 PM PDT Fri Aug 21 2026
ORZ050-502-503-506-WAZ030-523-220500-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Wallowa County-Northern Blue Mountains of Oregon-Southern Blue
Mountains of Oregon-Ochoco-John Day Highlands-Northwest Blue
Mountains-Lower Slopes of the Eastern Washington Cascades Crest-
Including the cities of Brothers, Prairie City, Cle Elum, Cliffdell,
Enterprise, Ski Bluewood Resort, North Powder, Joseph, Long Creek,
Tollgate, Meacham, Ukiah, Wallowa, Paulina, Appleton, and Seneca
109 PM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...Hot conditions with afternoon high temperatures of 95 to 105
degrees. This will pose a moderate to major risk of heat-related
illness.
* WHERE...Blue Mountains of Oregon and Washington, Wallowa County,
Ochoco-John Day Highlands, and Lower Slopes of the Eastern
Washington Cascades Crest.
* WHEN...Until 10 PM PDT 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.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
PDT
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
109 PM PDT Fri Aug 21 2026
WAZ026-220515-
/O.NEW.KPDT.WI.Y.0030.260822T2100Z-260823T0500Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
109 PM PDT Fri Aug 21 2026
...WIND ADVISORY IN EFFECT FROM 2 PM TO 10 PM PDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...For the Heat Advisory, hot conditions with afternoon high
temperatures of 90 to 95 degrees. This will pose a moderate risk of
heat-related illness. For the Wind Advisory, northwest winds 20 to
30 mph with gusts of 35 to 45 mph expected.
* WHERE...Kittitas Valley.
* WHEN...For the Heat Advisory, until 10 PM PDT this evening. For the
Wind Advisory, from 2 PM to 10 PM PDT Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Hot
temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
109 PM PDT Fri Aug 21 2026
WAZ521-220515-
/O.NEW.KPDT.WI.Y.0030.260822T1800Z-260823T0600Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Simcoe Highlands-
Including the cities of Bickleton and Goldendale
109 PM PDT Fri Aug 21 2026
...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...For the Heat Advisory, hot conditions with afternoon high
temperatures of 90 to 95 degrees. This will pose a moderate risk of
heat-related illness. For the Wind Advisory, west winds 20 to 30
mph with gusts of 35 to 45 mph expected.
* WHERE...Simcoe Highlands.
* WHEN...For the Heat Advisory, until 10 PM PDT this evening. For the
Wind Advisory, from 11 AM to 11 PM PDT Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Hot
temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
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.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1258 PM PDT Fri Aug 21 2026
CAZ048-050-056>058-554-220400-
/O.CON.KSGX.HT.Y.0010.260822T1700Z-260825T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Diego County Valleys-Riverside County Mountains-Santa Ana
Mountains and Foothills-San Diego County Mountains-Orange County
Inland Areas-
Including the cities of Fullerton, Ontario, San Bernardino,
Poway, Irvine, Santa Ana, Mission Viejo, Anaheim, Pine Valley,
Orange, Corona, San Marcos, Rancho Cucamonga, Escondido,
Riverside, Julian, Garden Grove, La Mesa, El Cajon, Santee,
Idyllwild-Pine Cove, Moreno Valley, and Fontana
1258 PM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT
MONDAY...
* WHAT...Temperatures 90 to 97 for Inland Orange County, 90 to 102
for inland San Diego County, 98 to 106 for the Inland Empire and
89 to 99 in the mountains.
* WHERE...Orange County Inland Areas, Riverside County Mountains,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Mountains, San Diego County Valleys, and Santa Ana
Mountains and Foothills.
* WHEN...From 10 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1258 PM PDT Fri Aug 21 2026
CAZ055-220400-
/O.CON.KSGX.HT.Y.0010.260822T1700Z-260825T0300Z/
San Bernardino County Mountains-
Including the cities of Lake Arrowhead and Crestline
1258 PM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT
MONDAY...
* WHAT...Temperatures up to 93 expected.
* WHERE...San Bernardino County Mountains.
* WHEN...From 10 AM Saturday to 8 PM PDT Monday.
* 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.
&&
$$
Westerink
URGENT - WEATHER MESSAGE
National Weather Service Houston/Galveston TX
250 PM CDT Fri Aug 21 2026
TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338-
436>439-221200-
/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 Dayton, Texas City, Pearland, Huntsville,
Coldspring, Sealy, Liberty, The Woodlands, First Colony, Wharton,
Bellville, Alvin, Navasota, Trinity, Groveton, Shepherd, Eagle Lake,
Mission Bend, Angleton, Pasadena, Baytown, Corrigan, Mont
Belvieu, Cleveland, Old River-Winfree, Crockett, Bryan,
Dickinson, Conroe, Livingston, Edna, Devers, Pecan Grove, Stowell,
Columbus, Hempstead, Missouri City, Waller, Friendswood, Houston,
Weimar, Somerville, Madisonville, Clute, Ganado, Winnie, Sugar Land,
Freeport, Surfside Beach, Caldwell, Prairie View, Anahuac,
Brookshire, Bay City, League City, La Marque, El Campo, College
Station, Rosenberg, Galveston, Lake Jackson, Brenham, and Palacios
250 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY...
* WHAT...Peak heat index values between 106 and 110.
* WHERE...Portions of south central and southeast Texas.
* WHEN...Until 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.
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
148 PM CDT Fri Aug 21 2026
TXZ171>173-191>194-205>209-220>225-221000-
/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 Cuero, Lockhart, Austin, San Antonio,
Gonzales, Llano, Seguin, Giddings, Hallettsville, Pleasanton, New
Braunfels, Georgetown, La Grange, Floresville, San Marcos, Bastrop,
Burnet, and Karnes City
148 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...
* WHAT...Heat index values up to 109.
* 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.
&&
$$
05
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
1234 PM MDT Fri Aug 21 2026
UTZ101>106-221300-
/O.CON.KSLC.HT.Y.0008.000000T0000Z-260822T1300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-
Including the following locations - Dugway, Park Valley, Salt
Lake City, Payson, Snowville, Tooele, Ogden, Bountiful, West Jordan,
Provo, Brigham City, Vernon, Wendover, Lehi, Grantsville, and Sandy
1234 PM MDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 AM MDT SATURDAY...
* WHAT...High temperatures to around 100 degrees expected alongside
overnight low temperatures in the low- to mid-70s.
* WHERE...The Wasatch Front, Great Salt Lake Desert and Mountains,
and Tooele and Rush Valleys.
* WHEN...Until 7 AM MDT Saturday.
* IMPACTS...Hot temperatures may cause heat illness. Warm overnight
temperatures will limit the amount of relief from the hot daytime
temperatures, bringing a period of prolonged heat exposure,
especially for vulnerable populations.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
Webber
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1251 PM CDT Fri Aug 21 2026
TXZ105-107-122-123-220615-
/O.EXB.KFWD.HT.Y.0027.260822T0100Z-260823T0100Z/
/O.CON.KFWD.XH.W.0002.000000T0000Z-260822T0100Z/
Hunt-Hopkins-Van Zandt-Rains-
Including the cities of Canton, Grand Saline, Commerce, Van, Sulphur
Springs, Edgewood, Greenville, Point, Emory, East Tawakoni, and Wills
Point
1251 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT
SATURDAY...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 108. For the Heat Advisory, heat index
values up to 107 expected.
* WHERE...Hunt, Hopkins, Rains, and Van Zandt Counties.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.
For the Heat Advisory, from 8 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 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.
Extreme heat is dangerous, especially for those without reliable
shelter. Limit time outdoors during the hottest time of the day,
typically from 2 to 7 PM, rest in the shade when possible, and drink
plenty of water. Locate nearby cooling centers through local
resources or dial 2-1-1 in Texas.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1251 PM CDT Fri Aug 21 2026
TXZ093>095-106-129-141>143-156>158-174-220615-
/O.EXT.KFWD.HT.Y.0027.000000T0000Z-260823T0100Z/
Grayson-Fannin-Lamar-Delta-Eastland-Comanche-Mills-Hamilton-Lampasas-
Coryell-Bell-Milam-
Including the cities of Gorman, Fort Hood, Hico, Temple, Cameron,
Bonham, Rockdale, Eastland, Paris, Cooper, Ranger, Gatesville,
Hamilton, Sherman, Goldthwaite, Cisco, Lampasas, Killeen, De Leon,
Denison, Copperas Cove, and Comanche
1251 PM CDT Fri Aug 21 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 108 expected.
* WHERE...Portions of north and central Texas.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1251 PM CDT Fri Aug 21 2026
TXZ144-145-147-159>162-175-220615-
/O.EXT.KFWD.HT.Y.0026.000000T0000Z-260823T0100Z/
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
1251 PM CDT Fri Aug 21 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 109 expected.
* WHERE...Bosque, Falls, Freestone, Hill, Limestone, McLennan, Leon,
and Robertson Counties.
* WHEN...Until 8 PM CDT Saturday.
* 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.
&&
$$
Shamburger
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1251 PM CDT Fri Aug 21 2026
TXZ135-146-148-220615-
/O.EXT.KFWD.HT.Y.0025.000000T0000Z-260823T0100Z/
Henderson-Navarro-Anderson-
Including the cities of Athens, Corsicana, Palestine, and Gun Barrel
City
1251 PM CDT Fri Aug 21 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 108 expected.
* WHERE...Navarro, Anderson, and Henderson Counties.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity will increase the risk
for heat-related illnesses to occur, particularly for those working
or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.
Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Midland/Odessa TX
1244 PM CDT Fri Aug 21 2026
TXZ047-048-052-053-220145-
/O.NEW.KMAF.HT.Y.0016.260822T1800Z-260824T0000Z/
Borden-Scurry-Howard-Mitchell-
Including the cities of Colorado City, Big Spring, Snyder, and Gail
1244 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 1 PM SATURDAY TO 7 PM CDT SUNDAY...
* WHAT...Temperatures up to 105 expected. Overnight low temperatures
near 80.
* WHERE...Western low rolling plains, Borden, and Howard.
* WHEN...From 1 PM Saturday to 7 PM CDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Look before you lock! Do not leave young children and pets in
unattended vehicles for even a moment. Car interiors will very
quickly reach lethal temperatures.
&&
$$
93
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 Lake Charles LA
1154 AM CDT Fri Aug 21 2026
LAZ073-074-252>254-220900-
/O.NEW.KLCH.HT.Y.0019.260822T1600Z-260823T0100Z/
/O.CON.KLCH.HT.Y.0018.000000T0000Z-260822T0100Z/
West Cameron-East Cameron-Lower Vermilion-Lower Iberia-Lower St.
Mary-
Including the cities of Hackberry, Creole, Grand Chenier, Cameron,
Johnson Bayou, Burns Point, Forked Island, Grand Lake, Intracoastal
City, Avery Island, Abbeville, Cypremort Point, Rutherford Beach, and
Klondike
1154 AM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...For the first Heat Advisory, heat index values from 109 to
111. For the second Heat Advisory, heat index values from 110 to
112 expected.
* WHERE...Lower Iberia, Lower St. Mary, East Cameron, Lower
Vermilion, and West Cameron Parishes.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
For the second Heat Advisory, from 11 AM to 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.
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.
&&
$$
MKC
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
222 AM PDT Fri Aug 21 2026
IDZ001>004-026-027-WAZ031>038-041-043-044-047-049-220500-
/O.CON.KOTX.HT.Y.0004.260821T1800Z-260822T0500Z/
Northern Panhandle-Coeur d`Alene Area-Idaho Palouse-Central
Panhandle Mountains-Lewiston Area-Lewis and Southern Nez Perce
Counties-Northeast Blue Mountains-Lower Garfield and Asotin
Counties-Washington Palouse-Moses Lake Area-Upper Columbia Basin-
Spokane Area-Northeast Mountains-Okanogan Highlands-Wenatchee
Area-Okanogan Valley-Waterville Plateau-Central Chelan County-
Western Okanogan County-
Including the cities of Culdesac, Clark Fork, Othello, Ephrata,
Bridgeport, Coulee City, Sandpoint, Genesee, Lewiston, Highway
20 Wauconda Summit, Fernwood, Omak, Methow, Schweitzer Mountain
Road, Sherman Pass, Ritzville, Number 2 Canyon, Plain, Newport,
Post Falls, Wallace, Eastport, Creston, Winchester, Wauconda,
Pangborn Airport, Kamiah, Nezperce, Spokane Valley, Conconully,
Chewelah, Tonasket, Kellogg, Leavenworth, Uniontown, Wilbur,
Mansfield, Quincy, Worley, Soldiers Meadow Road, Gifford, Lookout
Pass, St. Maries, Anatone, Number 1 Canyon, Mullan, Peck, Priest
River, Ione, Deer Park, Flowery Trail Road, Athol, Brewster,
Orin-Rice Road, Fruitland, Davenport, Cloverland Road, Mountain
Road, Winthrop, Badger Mountain Road, La Crosse, Potlatch, Kettle
Falls, Chesaw Road, Clarkston, Cheney, Moses Lake, Fairfield,
Inchelium, Disautel Pass, Loup Loup Pass, Dobson Pass, Nespelem,
Boulder Creek Road, Wenatchee, Northport, Republic, Tekoa,
Bonners Ferry, Lapwai, Metaline Falls, Twisp, Chelan, Harrington,
Osburn, Rosalia, Tiger, Metaline, Pinehurst, Alpowa Summit,
Entiat, Airway Heights, Rockford, Coeur d`Alene, Downtown
Spokane, Plummer, Okanogan, Colfax, Waterville, Peola, Colville,
Craigmont, Oroville, Cashmere, Lewiston Grade, Grand Coulee,
Mazama, Pullman, Oakesdale, Fourth Of July Pass,
Springdale-Hunters Road, Pomeroy, Odessa, Hayden, and Moscow
222 AM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM
PDT THIS EVENING...
* WHAT...High temperatures ranging from the mid 90s to just over 100
degrees resulting in Major HeatRisk.
* WHERE...Much of the Inland Northwest.
* WHEN...From 11 AM this morning to 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Low temperatures in the 60s and 70s Friday
night will provide little overnight relief.
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.
&&
$$
Fewkes
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
201 AM MDT Fri Aug 21 2026
IDZ051-054>057-075-220400-
/O.CON.KPIH.HT.Y.0007.260821T1800Z-260822T0400Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-Wood River
Foothills-
Including the cities of Fort Hall, Hailey, Burley, Albion, Shelley,
Pocatello, Oakley, Bellevue, Carey, Picabo, Almo, Malta, American
Falls, Richfield, Rockland, Heyburn, Rupert, Blackfoot, Holbrook, and
Shoshone
201 AM MDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS
EVENING...
* WHAT...Temperatures up to 98 expected.
* WHERE...Wood River Foothills, Eastern Magic Valley, Shoshone/Lava
Beds, Lower Snake River Plain, Raft River Region, and Southern
Hills/Albion Mountains.
* WHEN...From noon today to 10 PM MDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, including
heatstroke and heat exhaustion.
$$
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
201 AM MDT Fri Aug 21 2026
IDZ061-062-064-065-067-220400-
/O.EXA.KPIH.HT.Y.0007.260821T1800Z-260822T0400Z/
Bear Lake Valley-Blackfoot Mountains-Big Hole Mountains-Teton
Valley-Beaverhead - Lemhi Highlands-
Including the cities of Montpelier, Edie School, Soda Springs,
Georgetown, Driggs, Dubois, Bone, Spencer, St. Charles, Ashton,
Small, Grace, Victor, Tetonia, and Henry
201 AM MDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS
EVENING...
* WHAT...Temperatures up to 95 expected.
* WHERE...Beaverhead - Lemhi Highlands, Big Hole Mountains, Teton
Valley, Bear Lake Valley, and Blackfoot Mountains.
* WHEN...From noon today to 10 PM MDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
201 AM MDT Fri Aug 21 2026
IDZ052-053-058-059-220400-
/O.CON.KPIH.HT.Y.0007.260821T1800Z-260822T0400Z/
Arco/Mud Lake Desert-Upper Snake River Plain-Marsh and Arbon
Highlands-Franklin/Eastern Oneida Region-
Including the cities of Thatcher, Preston, Rexburg, Lava Hot
Springs, Idaho Falls, Downey, INL, St. Anthony, Mud Lake, Craters
of the Moon NM, Inkom, Malad, and McCammon
201 AM MDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS
EVENING...
* WHAT...Temperatures up to 95 expected.
* WHERE...Arco/Mud Lake Desert, Franklin/Eastern Oneida Region, Marsh
and Arbon Highlands, and Upper Snake River Plain.
* WHEN...From noon today to 10 PM MDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, including
heatstroke and heat exhaustion.
$$
Visit weather.gov/pocatello for more information.
Messick
