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Tuesday, Aug 18, 2026 07:12:47

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Heat Advisory Norman 2026-08-18 20:00
Heat Advisory Amarillo 2026-08-18 21:00
Heat Advisory Tulsa 2026-08-19 21:00

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Severe Thunderstorm Warning 7 08/17/2026 11:45
Special Weather Statement 4 08/17/2026 10:37
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Convective Outlook - Day 1 5 08/18/2026 00:59
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Heat Advisory 0039
Issued by the Tulsa Forecast Office

Action Issued Starts Expiration
New 2026-08-17 11:30:02 2026-08-18 13:00:00 2026-08-19 21:00:00
New 2026-08-17 11:30:02 2026-08-18 13:00:00 2026-08-19 21:00:00
Continued 2026-08-17 20:02:28 2026-08-18 13:00:00 2026-08-19 21:00:00
Continued 2026-08-17 20:02:28 2026-08-18 13:00:00 2026-08-19 21:00:00
Continued 2026-08-17 23:32:06 2026-08-18 13:00:00 2026-08-19 21:00:00


Action: New
Issued At: 2026-08-17 11:30:02

316 
WWUS74 KTSA 171629
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1129 AM CDT Mon Aug 17 2026

ARZ129-219-220-229-OKZ049-053-070-071-073>075-176-272-276-376-181500-
/O.NEW.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
/O.CON.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Muskogee-
McIntosh-Pittsburg-Haskell-Latimer-Northern Le Flore-Central and
Southern Sequoyah-Central Le Flore-Southern Le Flore-
Including the cities of Huntington, Antlers, Fort Smith, Talihina,
Poteau, Patterson, Sallisaw, Mansfield, Hartford, Wilburton, Van
Buren, McAlester, Hugo, Stigler, Spiro, Charleston, Pocola, Panama,
Arkoma, Checotah, Ozark, Cravens, Muskogee, Cecil, Clayton, Lonelm,
Jethro, Watalula, and Liberty
1129 AM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the Heat Advisory, heat index values up to 108. For the
  Extreme Heat Warning, dangerously hot conditions with heat index
  values up to 112 expected.

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

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the
  Extreme Heat Warning, from 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

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.

&&

$$

OKZ055>057-059>062-064>067-154-254-354-181500-
/O.NEW.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek-
Okfuskee-Okmulgee-Wagoner-Western Osage-Northeast Osage-Southeast
Osage-
Including the cities of Pawhuska, Wagoner, Claremore, Bartlesville,
Okmulgee, Fairfax, Pawnee, Okemah, Nowata, Sapulpa, Vinita, Pryor,
Tulsa, Hominy, and Shidler
1129 AM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 111
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ119-120-OKZ172-181500-
/O.NEW.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
/O.CON.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
Northern Crawford-Northern Franklin-Northern Sequoyah-
Including the cities of Barnes, Paradise, Marble City, and
Mountainburg
1129 AM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the first Heat Advisory, heat index values up to 105.
  For the second Heat Advisory, heat index values up to 107 expected.

* WHERE...In Arkansas, Northern Crawford and Northern Franklin
  Counties. In Oklahoma, Northern Sequoyah County.

* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
  For the second Heat Advisory, from 1 PM Tuesday to 9 PM CDT
  Wednesday.

* 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.

&&

$$

ARZ001-002-010-011-OKZ058-063-068-069-181500-
/O.NEW.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Benton-Carroll-Washington AR-Madison-Ottawa-Delaware-Cherokee-
Adair-
Including the cities of Tahlequah, Miami, Jay, Stilwell, Huntsville,
Springdale, Fayetteville, Berryville, Grove, Eureka Springs, Rogers,
and Bentonville
1129 AM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT WEDNESDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...In Arkansas, Benton, Carroll, Madison, and Washington AR
  Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa
  Counties.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$


Action: New
Issued At: 2026-08-17 11:30:02

316 
WWUS74 KTSA 171629
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1129 AM CDT Mon Aug 17 2026

ARZ129-219-220-229-OKZ049-053-070-071-073>075-176-272-276-376-181500-
/O.NEW.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
/O.CON.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Muskogee-
McIntosh-Pittsburg-Haskell-Latimer-Northern Le Flore-Central and
Southern Sequoyah-Central Le Flore-Southern Le Flore-
Including the cities of Huntington, Antlers, Fort Smith, Talihina,
Poteau, Patterson, Sallisaw, Mansfield, Hartford, Wilburton, Van
Buren, McAlester, Hugo, Stigler, Spiro, Charleston, Pocola, Panama,
Arkoma, Checotah, Ozark, Cravens, Muskogee, Cecil, Clayton, Lonelm,
Jethro, Watalula, and Liberty
1129 AM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the Heat Advisory, heat index values up to 108. For the
  Extreme Heat Warning, dangerously hot conditions with heat index
  values up to 112 expected.

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

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the
  Extreme Heat Warning, from 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

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.

&&

$$

OKZ055>057-059>062-064>067-154-254-354-181500-
/O.NEW.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek-
Okfuskee-Okmulgee-Wagoner-Western Osage-Northeast Osage-Southeast
Osage-
Including the cities of Pawhuska, Wagoner, Claremore, Bartlesville,
Okmulgee, Fairfax, Pawnee, Okemah, Nowata, Sapulpa, Vinita, Pryor,
Tulsa, Hominy, and Shidler
1129 AM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 111
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ119-120-OKZ172-181500-
/O.NEW.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
/O.CON.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
Northern Crawford-Northern Franklin-Northern Sequoyah-
Including the cities of Barnes, Paradise, Marble City, and
Mountainburg
1129 AM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the first Heat Advisory, heat index values up to 105.
  For the second Heat Advisory, heat index values up to 107 expected.

* WHERE...In Arkansas, Northern Crawford and Northern Franklin
  Counties. In Oklahoma, Northern Sequoyah County.

* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
  For the second Heat Advisory, from 1 PM Tuesday to 9 PM CDT
  Wednesday.

* 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.

&&

$$

ARZ001-002-010-011-OKZ058-063-068-069-181500-
/O.NEW.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Benton-Carroll-Washington AR-Madison-Ottawa-Delaware-Cherokee-
Adair-
Including the cities of Tahlequah, Miami, Jay, Stilwell, Huntsville,
Springdale, Fayetteville, Berryville, Grove, Eureka Springs, Rogers,
and Bentonville
1129 AM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT WEDNESDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...In Arkansas, Benton, Carroll, Madison, and Washington AR
  Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa
  Counties.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$


Action: Continued
Issued At: 2026-08-17 20:02:28

281 
WWUS74 KTSA 180102
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
802 PM CDT Mon Aug 17 2026

ARZ129-219-220-229-OKZ049-053-070-071-073>075-176-272-276-376-181315-
/O.EXP.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
/O.CON.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Muskogee-
McIntosh-Pittsburg-Haskell-Latimer-Northern Le Flore-Central and
Southern Sequoyah-Central Le Flore-Southern Le Flore-
Including the cities of Clayton, Lonelm, Hartford, Antlers, Cecil,
Muskogee, Liberty, Wilburton, Pocola, Van Buren, Talihina, Fort
Smith, Spiro, Charleston, Sallisaw, Ozark, Patterson, Poteau, Jethro,
Huntington, Mansfield, McAlester, Checotah, Watalula, Stigler, Hugo,
Arkoma, Cravens, and Panama
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY HAS EXPIRED...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM
CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 112
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ119-120-OKZ172-181315-
/O.EXP.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
/O.CON.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Northern Crawford-Northern Franklin-Northern Sequoyah-
Including the cities of Paradise, Mountainburg, Barnes, and Marble
City
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 107 expected.

* WHERE...In Arkansas, Northern Crawford and Northern Franklin
  Counties. In Oklahoma, Northern Sequoyah County.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$

OKZ055>057-059>062-064>067-154-254-354-181315-
/O.CON.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek-
Okfuskee-Okmulgee-Wagoner-Western Osage-Northeast Osage-Southeast
Osage-
Including the cities of Hominy, Sapulpa, Pawhuska, Okemah, Pryor,
Nowata, Bartlesville, Fairfax, Wagoner, Shidler, Pawnee, Vinita,
Tulsa, Claremore, and Okmulgee
802 PM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM
CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 111
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ001-002-010-011-OKZ058-063-068-069-181315-
/O.CON.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Benton-Carroll-Washington AR-Madison-Ottawa-Delaware-Cherokee-
Adair-
Including the cities of Rogers, Grove, Springdale, Miami, Tahlequah,
Berryville, Huntsville, Bentonville, Eureka Springs, Stilwell, Jay,
and Fayetteville
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...In Arkansas, Benton, Carroll, Madison, and Washington AR
  Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa
  Counties.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$

MAB


Action: Continued
Issued At: 2026-08-17 20:02:28

281 
WWUS74 KTSA 180102
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
802 PM CDT Mon Aug 17 2026

ARZ129-219-220-229-OKZ049-053-070-071-073>075-176-272-276-376-181315-
/O.EXP.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
/O.CON.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-Muskogee-
McIntosh-Pittsburg-Haskell-Latimer-Northern Le Flore-Central and
Southern Sequoyah-Central Le Flore-Southern Le Flore-
Including the cities of Clayton, Lonelm, Hartford, Antlers, Cecil,
Muskogee, Liberty, Wilburton, Pocola, Van Buren, Talihina, Fort
Smith, Spiro, Charleston, Sallisaw, Ozark, Patterson, Poteau, Jethro,
Huntington, Mansfield, McAlester, Checotah, Watalula, Stigler, Hugo,
Arkoma, Cravens, and Panama
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY HAS EXPIRED...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM
CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 112
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ119-120-OKZ172-181315-
/O.EXP.KTSA.HT.Y.0038.000000T0000Z-260818T0100Z/
/O.CON.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Northern Crawford-Northern Franklin-Northern Sequoyah-
Including the cities of Paradise, Mountainburg, Barnes, and Marble
City
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 107 expected.

* WHERE...In Arkansas, Northern Crawford and Northern Franklin
  Counties. In Oklahoma, Northern Sequoyah County.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$

OKZ055>057-059>062-064>067-154-254-354-181315-
/O.CON.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek-
Okfuskee-Okmulgee-Wagoner-Western Osage-Northeast Osage-Southeast
Osage-
Including the cities of Hominy, Sapulpa, Pawhuska, Okemah, Pryor,
Nowata, Bartlesville, Fairfax, Wagoner, Shidler, Pawnee, Vinita,
Tulsa, Claremore, and Okmulgee
802 PM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM
CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 111
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ001-002-010-011-OKZ058-063-068-069-181315-
/O.CON.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Benton-Carroll-Washington AR-Madison-Ottawa-Delaware-Cherokee-
Adair-
Including the cities of Rogers, Grove, Springdale, Miami, Tahlequah,
Berryville, Huntsville, Bentonville, Eureka Springs, Stilwell, Jay,
and Fayetteville
802 PM CDT Mon Aug 17 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...In Arkansas, Benton, Carroll, Madison, and Washington AR
  Counties. In Oklahoma, Cherokee, Adair, Delaware, and Ottawa
  Counties.

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$

MAB


Action: Continued
Issued At: 2026-08-17 23:32:06

556 
WWUS74 KTSA 180431
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1131 PM CDT Mon Aug 17 2026

ARZ129-219-220-229-OKZ049-053-055>057-059>062-064>067-070-071-
073>075-154-176-254-272-276-354-376-181800-
/O.CON.KTSA.XH.W.0015.260818T1800Z-260820T0200Z/
North and Central Sebastian-Southern Crawford-Central and
Southern Franklin-Southern Sebastian-Pushmataha-Choctaw-
Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek-
Okfuskee-Okmulgee-Wagoner-Muskogee-McIntosh-Pittsburg-Haskell-
Latimer-Western Osage-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
Including the cities of Clayton, Sapulpa, Lonelm, Hartford, Antlers,
Fairfax, Cecil, Vinita, Liberty, Muskogee, Wilburton, Van Buren,
Pocola, Talihina, Fort Smith, Okmulgee, Spiro, Okemah, Charleston,
Sallisaw, Tulsa, Ozark, Patterson, Pryor, Nowata, Bartlesville,
Jethro, Huntington, Poteau, Mansfield, Shidler, McAlester, Checotah,
Hominy, Watalula, Stigler, Pawhuska, Hugo, Arkoma, Wagoner, Cravens,
Pawnee, Claremore, and Panama
1131 PM CDT Mon Aug 17 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM
CDT WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 112
  expected.

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

ARZ001-002-010-011-119-120-OKZ058-063-068-069-172-181800-
/O.CON.KTSA.HT.Y.0039.260818T1800Z-260820T0200Z/
Benton-Carroll-Washington AR-Madison-Northern Crawford-Northern
Franklin-Ottawa-Delaware-Cherokee-Adair-Northern Sequoyah-
Including the cities of Rogers, Marble City, Grove, Paradise,
Springdale, Miami, Barnes, Berryville, Huntsville, Tahlequah,
Bentonville, Eureka Springs, Stilwell, Jay, Mountainburg, and
Fayetteville
1131 PM CDT Mon Aug 17 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TUESDAY TO 9 PM CDT
WEDNESDAY...

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

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

* WHEN...From 1 PM Tuesday to 9 PM CDT Wednesday.

* 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.

&&

$$

MAB





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