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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Norman OK
713 PM CDT Sat Aug 15 2026

OKZ006>008-011>013-018>020-024>032-039>043-045>048-050>052-161415-
/O.CON.KOUN.HT.Y.0033.000000T0000Z-260817T0000Z/
Alfalfa-Grant-Kay-Major-Garfield-Noble-Kingfisher-Logan-Payne-
Canadian-Oklahoma-Lincoln-Grady-McClain-Cleveland-Pottawatomie-
Seminole-Hughes-Stephens-Garvin-Murray-Pontotoc-Coal-Jefferson-
Carter-Johnston-Atoka-Love-Marshall-Bryan-
Including the cities of Tishomingo, Thackerville, Medford, Wetumka,
Prague, Davenport, Waurika, Chandler, Lamont, Purcell, Ryan, Ada,
Guthrie, Ponca City, Chickasha, Newcastle, Wynnewood, Wellston,
Duncan, Ringling, Hennessey, Atoka, Durant, Meeker, Pauls Valley,
Norman, Cherokee, Madill, Wakita, Enid, Holdenville, Kingston, Pond
Creek, Yukon, Oklahoma City, Concho, Wewoka, Fairview, Okarche,
Perry, Seminole, Ardmore, Mustang, Shawnee, Stillwater, Kingfisher,
Carmen, Stroud, Blanchard, Davis, Helena, Marietta, El Reno,
Coalgate, Tuttle, Lindsay, Moore, Blackwell, and Sulphur
713 PM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...

* WHAT...Heat index values up to 108.

* WHERE...Portions of central, east central, northern, northwest,
  southeast, and southern Oklahoma.

* 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
713 PM CDT Sat Aug 15 2026

OKZ017-023-036>038-044-TXZ085-086-089-090-161415-
/O.CON.KOUN.HT.Y.0035.000000T0000Z-260817T0000Z/
Blaine-Caddo-Jackson-Tillman-Comanche-Cotton-Wilbarger-Wichita-
Archer-Clay-
Including the cities of Altus, Anadarko, Okeene, Archer City,
Watonga, Frederick, Walters, Temple, Geary, Vernon, Wichita Falls,
Sheppard AFB, Holliday, Henrietta, Scotland, Lawton, Hinton, and
Lakeside City
713 PM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SUNDAY...

* WHAT...Heat index values up to 106.

* WHERE...In Oklahoma, Blaine, Caddo, Comanche, Cotton, Jackson, and
  Tillman Counties. In Texas, Archer, Clay, Wichita, and Wilbarger
  Counties.

* 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.

&&

$$

Bunker

URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1245 PM CDT Sat Aug 15 2026

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-161800-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260818T0100Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-McCurtain-Red River-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of Springhill, Atlanta, Big Sandy, Ringgold,
Bradley, Lewisville, Farmerville, Homer, Gilmer, Coushatta, Columbia,
Daingerfield, Nashville, Winnfield, Dry Prong, Bogata, Mount
Pleasant, Natchitoches, Montgomery, De Queen, Henderson, Many,
Winnsboro, Pineland, Pleasant Hill, Olla, Longview, Ruston,
Nacogdoches, Minden, Shreveport, Omaha, San Augustine, Mineral
Springs, Naples, Martin, Monroe, Jefferson, Bossier City, Texarkana,
Stamps, Clarksville, Grayson, Colfax, Zwolle, Jacksonville, Idabel,
Carthage, Prescott, Magnolia, Clarks, Logansport, Mount Vernon,
Midway, Hawkins, Ashdown, Pittsburg, Tyler, Queen City, Hope, Lufkin,
Mansfield, Marshall, Broken Bow, Arcadia, Bernice, Gibsland, El
Dorado, Jonesboro, Dierks, Haynesville, Stonewall, Center, Linden,
Jena, Hughes Springs, Quitman, Mineola, Rusk, Hemphill, and Lone Star
1245 PM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WHAT...Heat index values up to 110.

* WHERE...Portions of south central and southwest Arkansas, north
  central and northwest Louisiana, southeast Oklahoma, and east and
  northeast Texas.

* WHEN...Until 8 PM CDT Monday.

* 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.

&&

$$

23

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1126 AM CDT Sat Aug 15 2026

ARZ001-002-010-011-119-120-229-OKZ049-053-068-069-075-172-276-376-
160600-
/O.CON.KTSA.HT.Y.0035.000000T0000Z-260817T0100Z/
Benton-Carroll-Washington AR-Madison-Northern Crawford-Northern
Franklin-Southern Sebastian-Pushmataha-Choctaw-Cherokee-Adair-
Latimer-Northern Sequoyah-Central Le Flore-Southern Le Flore-
Including the cities of Antlers, Hugo, Clayton, Huntsville,
Bentonville, Fayetteville, Stilwell, Springdale, Patterson, Liberty,
Mansfield, Paradise, Eureka Springs, Wilburton, Barnes, Rogers,
Hartford, Huntington, Berryville, Marble City, Talihina,
Mountainburg, Tahlequah, and Poteau
1126 AM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SUNDAY...

* WHAT...Heat index values from 105 to 110 are expected both Saturday
  afternoon and Sunday afternoon. Overnight lows from the mid to
  upper 70s are expected Saturday night.

* WHERE...Portions of northwest and west central Arkansas and east
  central, northeast, and southeast Oklahoma.

* WHEN...Until 8 PM CDT Sunday.

* IMPACTS...Heat related illnesses are possible especially impacting
  those not acclimated to the conditions or those performing
  strenuous activities.

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 Tulsa OK
1126 AM CDT Sat Aug 15 2026

OKZ055>058-060>064-066-067-070-354-160600-
/O.UPG.KTSA.HT.Y.0035.000000T0000Z-260817T0100Z/
/O.NEW.KTSA.XH.W.0014.260816T1700Z-260817T0100Z/
/O.NEW.KTSA.XH.W.0013.260815T1626Z-260816T0100Z/
/O.NEW.KTSA.HT.Y.0037.260816T0100Z-260816T1700Z/
Washington OK-Nowata-Craig-Ottawa-Tulsa-Rogers-Mayes-Delaware-
Creek-Okmulgee-Wagoner-Muskogee-Southeast Osage-
Including the cities of Nowata, Bartlesville, Vinita, Jay, Wagoner,
Hominy, Miami, Pryor, Grove, Claremore, Okmulgee, Sapulpa, Muskogee,
and Tulsa
1126 AM CDT Sat Aug 15 2026

...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT SUNDAY...
...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT
SUNDAY...

* WHAT...Heat index values from 110 to 115 are expected both Saturday
  afternoon and Sunday afternoon. Overnight lows in the upper 70s to
  locally, the mid 80s are expected Saturday night.

* WHERE...Portions of east central and northeast Oklahoma.

* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this
  evening. For the Heat Advisory, from 8 PM this evening to noon CDT
  Sunday. For the second Extreme Heat Warning, from noon to 8 PM CDT
  Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Heat related illnesses are
  possible especially impacting those not acclimated to the
  conditions or those performing strenuous activities.

* ADDITIONAL DETAILS...Effects from this extended heat can accumulate
  over the days, especially for those with limited access to air
  conditioning given how warm the nights are staying. It is important
  to check in on those vulnerable to heat.

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 Tulsa OK
1126 AM CDT Sat Aug 15 2026

OKZ059-154-254-160600-
/O.CON.KTSA.HT.Y.0035.000000T0000Z-260817T0100Z/
Pawnee-Western Osage-Northeast Osage-
Including the cities of Pawhuska, Shidler, Pawnee, and Fairfax
1126 AM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SUNDAY...

* WHAT...Heat index values from 105 to 110 are expected both Saturday
  afternoon and Sunday afternoon. Overnight lows from the mid to
  upper 70s are expected Saturday night.

* WHERE...Northeast Osage, Pawnee, and Western Osage Counties.

* WHEN...Until 8 PM CDT Sunday.

* IMPACTS...Heat related illnesses are possible especially impacting
  those not acclimated to the conditions or those performing
  strenuous activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 Tulsa OK
1126 AM CDT Sat Aug 15 2026

ARZ129-219-OKZ065-071-073-074-176-272-160600-
/O.UPG.KTSA.HT.Y.0035.000000T0000Z-260817T0100Z/
/O.NEW.KTSA.XH.W.0014.260816T1700Z-260817T0100Z/
/O.NEW.KTSA.XH.W.0013.260815T1626Z-260816T0100Z/
/O.NEW.KTSA.HT.Y.0037.260816T0100Z-260816T1700Z/
North and Central Sebastian-Southern Crawford-Okfuskee-McIntosh-
Pittsburg-Haskell-Northern Le Flore-Central and Southern Sequoyah-
Including the cities of Stigler, Spiro, Panama, Sallisaw, Fort Smith,
Okemah, Pocola, Arkoma, Checotah, Van Buren, and McAlester
1126 AM CDT Sat Aug 15 2026

...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT SUNDAY...
...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT
SUNDAY...

* WHAT...Heat index values from 110 to 115 are expected both Saturday
  afternoon and Sunday afternoon. Overnight lows in the upper 70s to
  lower 80s are expected Saturday night.

* WHERE...In Arkansas, Southern Crawford and North and Central
  Sebastian Counties. In Oklahoma, Central and Southern Sequoyah,
  Okfuskee, Haskell, McIntosh, Northern Le Flore, and Pittsburg
  Counties.

* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this
  evening. For the Heat Advisory, from 8 PM this evening to noon CDT
  Sunday. For the second Extreme Heat Warning, from noon to 8 PM CDT
  Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Heat related illnesses are
  possible especially impacting those not acclimated to the
  conditions or those performing strenuous activities.

* ADDITIONAL DETAILS...Effects from this extended heat can accumulate
  over the days, especially for those with limited access to air
  conditioning given how warm the nights are staying. It is important
  to check in on those vulnerable to heat.

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 Fort Worth TX
1117 AM CDT Sat Aug 15 2026

TXZ091>095-102>107-117>123-131>135-146-148-160500-
/O.EXT.KFWD.HT.Y.0025.260815T1700Z-260817T0100Z/
Montague-Cooke-Grayson-Fannin-Lamar-Wise-Denton-Collin-Hunt-Delta-
Hopkins-Parker-Tarrant-Dallas-Rockwall-Kaufman-Van Zandt-Rains-Hood-
Somervell-Johnson-Ellis-Henderson-Navarro-Anderson-
Including the cities of Burleson, Heath, Flower Mound, McKinney,
Frisco, Fort Worth, Greenville, Van, Bridgeport, Waxahachie, Forney,
Corsicana, Point, Bonham, Wills Point, Kaufman, Oak Trail Shores,
Denton, Cooper, Cleburne, Ennis, Paris, Canton, Terrell, Carrollton,
Lewisville, East Tawakoni, Granbury, Palestine, Athens, Midlothian,
Allen, Gun Barrel City, Grand Saline, Glen Rose, Commerce,
Gainesville, Plano, Emory, Bowie, Weatherford, Edgewood, Sherman,
Decatur, Denison, Nocona, Sulphur Springs, Briar, Dallas, Arlington,
and Rockwall
1117 AM CDT Sat Aug 15 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SUNDAY...

* WHAT...Heat index values up to 106 expected today. Temperatures up
  to 104 on Sunday.

* WHERE...Portions of north central and northeast Texas.

* WHEN...Until 8 PM CDT Sunday.

* 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
1117 AM CDT Sat Aug 15 2026

TXZ100-101-115-116-129-130-160500-
/O.EXB.KFWD.HT.Y.0025.260816T0100Z-260817T0100Z/
Young-Jack-Stephens-Palo Pinto-Eastland-Erath-
Including the cities of Jacksboro, Cisco, Mineral Wells,
Stephenville, Olney, Dublin, Breckenridge, Graham, Eastland, Gorman,
and Ranger
1117 AM CDT Sat Aug 15 2026

...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT
SUNDAY...

* WHAT...Temperatures up to 104 expected.

* WHERE...Eastland, Erath, Jack, Palo Pinto, Stephens, and Young
  Counties.

* WHEN...From 8 PM this evening to 8 PM CDT Sunday.

* 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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE