Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1103 PM CDT Thu Aug 20 2026
ARZ129-219-220-229-OKZ049-053-059>062-064>068-070-071-073>075-172-
176-272-276-354-376-220100-
/O.CON.KTSA.HT.Y.0041.260821T1700Z-260822T0100Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Pawnee-
Tulsa-Rogers-Mayes-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Muskogee-
McIntosh-Pittsburg-Haskell-Latimer-Northern Sequoyah-
Northern Le Flore-Central and Southern Sequoyah-Central Le Flore-
Southeast Osage-Southern Le Flore-
Including the cities of Pocola, Cecil, Cravens, Tulsa, Okmulgee,
Huntington, Patterson, Ozark, Pryor, McAlester, Talihina, Liberty,
Tahlequah, Checotah, Fort Smith, Arkoma, Wagoner, Pawnee, Sapulpa,
Hugo, Lonelm, Antlers, Clayton, Sallisaw, Hartford, Muskogee, Marble
City, Stigler, Panama, Claremore, Jethro, Poteau, Okemah, Spiro,
Wilburton, Charleston, Hominy, Mansfield, Van Buren, and Watalula
1103 PM CDT Thu Aug 20 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY...
* WHAT...Heat index values up to 108 expected.
* WHERE...Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
* WHEN...From noon to 8 PM CDT Friday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1103 PM CDT Thu Aug 20 2026
OKZ055>057-220100-
/O.EXA.KTSA.HT.Y.0041.260821T1700Z-260822T0100Z/
Washington OK-Nowata-Craig-
Including the cities of Bartlesville, Vinita, and Nowata
1103 PM CDT Thu Aug 20 2026
...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT FRIDAY...
* WHAT...Heat index values up to 106 expected.
* WHERE...Craig, Nowata, and Washington OK Counties.
* WHEN...From noon to 8 PM CDT Friday.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
211 AM CDT Fri Aug 21 2026
OKZ005>008-010>017-020>023-026-033>038-TXZ083>089-220200-
/O.CON.KOUN.HT.Y.0040.000000T0000Z-260822T0200Z/
Woods-Alfalfa-Grant-Kay-Woodward-Major-Garfield-Noble-Roger Mills-
Dewey-Custer-Blaine-Payne-Beckham-Washita-Caddo-Lincoln-Harmon-Greer-
Kiowa-Jackson-Tillman-Comanche-Hardeman-Foard-Wilbarger-Wichita-Knox-
Baylor-Archer-
Including the cities of Lawton, Scotland, Wellston, Watonga, Carmen,
Prague, Enid, Vici, Davenport, Fairview, Wichita Falls, Quanah,
Perry, Clinton, Anadarko, Cherokee, Lamont, Granite, Sayre, Okeene,
Snyder, Crowell, Sheppard AFB, Hinton, Seiling, Sentinel, Burns Flat,
Holliday, Seymour, Stroud, Lakeside City, Pond Creek, Helena,
Cheyenne, Alva, Hobart, Knox City, Meeker, Archer City, Geary,
Woodward, Medford, Elk City, Vernon, Stillwater, Wakita, Cordell,
Blackwell, Hammon, Frederick, Leedey, Taloga, Munday, Chandler, Ponca
City, Weatherford, Mangum, Hollis, and Altus
211 AM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
* WHAT...Heat index values up to 108.
* WHERE...Portions of central, northern, northwest, southwest, and
western Oklahoma and northern Texas.
* WHEN...Until 9 PM CDT this evening.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1229 AM CDT Fri Aug 21 2026
ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-211900-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260822T0200Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-
Including the cities of Mount Vernon, Hughes Springs, De Queen,
Clarksville, Idabel, Lone Star, Bogata, Prescott, Naples, Mineral
Springs, Queen City, Daingerfield, Mount Pleasant, Lewisville,
Dierks, Stamps, Bradley, Broken Bow, Ashdown, Omaha, Nashville, Hope,
Atlanta, Linden, Pittsburg, and Texarkana
1229 AM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
* WHAT...Heat index values up to 110 degrees.
* WHERE...Portions of southwest Arkansas, southeast Oklahoma, and
northeast Texas.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
15
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
1215 AM CDT Fri Aug 21 2026
ARZ031-032-039-042>047-052>057-062>069-121-122-130-137-138-140-141-
230-237-238-240-241-340-341-220100-
/O.CON.KLZK.HT.Y.0024.260821T1600Z-260822T0100Z/
Conway-Faulkner-Perry-Garland-Saline-Pulaski-Lonoke-Prairie-Monroe-
Pike-Clark-Hot Spring-Grant-Jefferson-Arkansas-Dallas-Cleveland-
Lincoln-Desha-Ouachita-Calhoun-Bradley-Drew-Southern Johnson County-
Southern Pope County-Western and Northern Logan County-
Northern Scott County-Northwest Yell County-
Polk County Lower Elevations-Central and Eastern Montgomery County-
Southern and Eastern Logan County-Central and Southern Scott County-
Yell Excluding Northwest-Northern Polk County Higher Elevations-
Northern Montgomery County Higher Elevations-
Southeast Polk County Higher Elevations-
Southwest Montgomery County Higher Elevations-
Including the cities of Cabot, Hot Springs, Grannis, Thornton, Rich
Mountain, Mountain Fork, Clarksville, Waldron, Booneville, Mount Ida,
Hector, Mount Magazine, Malvern, Morrilton, Stuttgart, Pine Bluff,
Benton, Nunley, Bryant, De Witt, Little Rock, London, Conway, De
Valls Bluff, Plainview, Gould, Dumas, Norman, Hartley, Lonoke,
Russellville, Subiaco, Knoxville, Waveland, Hazen, Albert, Warren,
Rison, Clarendon, Paris, Brinkley, Atkins, Perryville, Sugar Grove,
Boles, North Little Rock, Murfreesboro, McGehee, Dardanelle, Des Arc,
Kingsland, Y City, Story, Hatfield, Caulksville, Monticello, Acorn,
Mansfield, Coal Hill, Glenwood, Arkadelphia, Star City, Havana, Blue
Mountain, Camden, Hartman, Big Fork, Fordyce, Mena, Sheridan, Ola,
Hampton, and Danville
1215 AM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
CDT THIS EVENING...
* WHAT...Heat index values up to 109 expected.
* WHERE...Portions of central, eastern, southeast, southwest, and
western Arkansas.
* WHEN...From 11 AM this morning to 8 PM CDT this evening.
* 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.
&&
$$
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