Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
214 PM CDT Fri Aug 21 2026
ARZ129-219-220-229-OKZ055>057-059>062-064-066>068-070-071-074-172-
176-272-276-354-220100-
/O.CON.KTSA.HT.Y.0041.000000T0000Z-260822T0100Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Washington OK-Nowata-Craig-
Pawnee-Tulsa-Rogers-Mayes-Creek-Okmulgee-Wagoner-Cherokee-Muskogee-
McIntosh-Haskell-Northern Sequoyah-Northern Le Flore-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Including the cities of Pocola, Checotah, Claremore, Watalula, Cecil,
Van Buren, Vinita, Huntington, Spiro, Ozark, Arkoma, Tahlequah,
Marble City, Lonelm, Charleston, Muskogee, Fort Smith, Patterson,
Pawnee, Pryor, Bartlesville, Nowata, Panama, Poteau, Mansfield,
Hartford, Stigler, Wagoner, Jethro, Liberty, Cravens, Okmulgee,
Sallisaw, Tulsa, Hominy, and Sapulpa
214 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
* WHEN...Until 8 PM CDT this evening.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
214 PM CDT Fri Aug 21 2026
OKZ154-254-220100-
/O.EXA.KTSA.HT.Y.0041.000000T0000Z-260822T0100Z/
Western Osage-Northeast Osage-
Including the cities of Fairfax, Shidler, and Pawhuska
214 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Northeast Osage and Western Osage Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service 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 Little Rock AR
1221 PM CDT Fri Aug 21 2026
ARZ031-032-039-042>047-054>057-121-122-130-137-138-140-141-230-237-
238-240-241-340-341-220100-
/O.CON.KLZK.HT.Y.0024.000000T0000Z-260822T0100Z/
Conway-Faulkner-Perry-Garland-Saline-Pulaski-Lonoke-Prairie-Monroe-
Hot Spring-Grant-Jefferson-Arkansas-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 Ola, Mena, Atkins, Bryant, Plainview, Hector,
Morrilton, Mansfield, Nunley, Y City, Mount Magazine, Acorn, Big
Fork, Malvern, Clarksville, Conway, Lonoke, Brinkley, Cabot,
Booneville, London, Waveland, Grannis, Hartman, Coal Hill, Benton,
Mount Ida, Little Rock, Clarendon, Caulksville, Havana, Dardanelle,
Paris, Waldron, Stuttgart, Story, Knoxville, Blue Mountain, North
Little Rock, Hatfield, Perryville, Mountain Fork, Sheridan, Sugar
Grove, Hot Springs, Danville, Des Arc, Boles, Albert, Hazen, Pine
Bluff, De Witt, Rich Mountain, De Valls Bluff, Russellville, Hartley,
Subiaco, and Norman
1221 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...Portions of central, eastern, southeast, southwest, and
western Arkansas.
* WHEN...Until 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.
&&
$$
JG
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
1221 PM CDT Fri Aug 21 2026
ARZ052-053-062>069-220100-
/O.NEW.KLZK.HT.Y.0025.260822T1600Z-260823T0100Z/
/O.CON.KLZK.HT.Y.0024.000000T0000Z-260822T0100Z/
Pike-Clark-Dallas-Cleveland-Lincoln-Desha-Ouachita-Calhoun-Bradley-
Drew-
Including the cities of Gould, Murfreesboro, Monticello, Hampton,
McGehee, Glenwood, Warren, Fordyce, Kingsland, Dumas, Rison,
Arkadelphia, Camden, Thornton, and Star City
1221 PM 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 Friday, heat index values up to 108 expected. For
Saturday, heat index values up to 106 expected.
* WHERE...Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark,
Dallas, Ouachita, and Pike Counties.
* WHEN...For Friday until 8 PM CDT this evening. For Saturday from 11
AM to 8 PM CDT
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1209 PM CDT Fri Aug 21 2026
OKZ005>008-010>017-020>023-034-035-038-220200-
/O.CON.KOUN.HT.Y.0040.000000T0000Z-260822T0200Z/
Woods-Alfalfa-Grant-Kay-Woodward-Major-Garfield-Noble-Roger Mills-
Dewey-Custer-Blaine-Payne-Beckham-Washita-Caddo-Greer-Kiowa-Comanche-
Including the cities of Carmen, Weatherford, Blackwell, Burns Flat,
Okeene, Taloga, Granite, Anadarko, Geary, Wakita, Cheyenne, Vici,
Hammon, Hinton, Helena, Seiling, Sentinel, Watonga, Perry, Lamont,
Pond Creek, Medford, Snyder, Cherokee, Alva, Clinton, Woodward,
Lawton, Elk City, Ponca City, Hobart, Fairview, Cordell, Enid,
Mangum, Stillwater, Leedey, and Sayre
1209 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Portions of central, northern, northwest, southwest, and
western Oklahoma.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1209 PM CDT Fri Aug 21 2026
OKZ019-220200-
/O.CAN.KOUN.XH.W.0014.000000T0000Z-260822T0200Z/
/O.EXA.KOUN.HT.Y.0040.000000T0000Z-260822T0200Z/
Logan-
Including the cities of Guthrie
1209 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING IS CANCELLED...
...HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Logan County.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1209 PM CDT Fri Aug 21 2026
OKZ044-TXZ090-220715-
/O.NEW.KOUN.HT.Y.0041.260822T1800Z-260823T0000Z/
/O.CON.KOUN.XH.W.0014.000000T0000Z-260822T0200Z/
Cotton-Clay-
Including the cities of Walters, Temple, and Henrietta
1209 PM CDT Fri Aug 21 2026
...HEAT ADVISORY IN EFFECT FROM 1 PM TO 7 PM CDT SATURDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 107. For the Heat Advisory, heat index
values up to 110 expected.
* WHERE...In Oklahoma, Cotton County. In Texas, Clay County.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 1 PM to 7 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service 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
