Watches, Warnings & Advisories



2 products issued by NWS for: Tulsa International Airport OK

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
503 AM CDT Tue Aug 18 2026

ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-191015-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
503 AM CDT Tue Aug 18 2026

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Today and Tonight.

DANGEROUS HEAT.
RISK...Significant.
AREA...Eastern Oklahoma and Western Arkansas.
ONSET...Midday.

AREA AT GREATEST RISK...Along and west of highway 69 in Northeast Oklahoma; Along and south of I-40 in East-Central and Southeast Oklahoma and West-Central Arkansas.

DISCUSSION...

Dangerous to very dangerous heat returns areawide today, with
afternoon heat indices between 105 and 115 expected. The highest
numbers are expected across eastern Oklahoma and west-central
Arkansas.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
WEDNESDAY...Thunderstorm...Dangerous Heat Potential.
THURSDAY and FRIDAY...Dangerous Heat Potential.
SATURDAY and SUNDAY...Thunderstorm...Dangerous Heat Potential.
MONDAY...Dangerous Heat Potential.

EXTENDED DISCUSSION...

Dangerous to very dangerous heat will persist into Wednesday,
again with afternoon heat indices in the 105 to 115 degree range.

A front is expected to focus isolated to widely scattered
thunderstorms by late Wednesday afternoon into Wednesday night,
mainly across northeast Oklahoma and northwest Arkansas. These
storms will carry a limited severe weather risk.

The front will take the edge off the heat for Thursday across the
north and Friday areawide, though afternoon heat indices will
still top triple digits in most places.

Dangerous heat will return over the weekend into the following
week areawide, with low chances for mainly afternoon storms.

weather.gov/tulsa contains additional information.

$$




Extreme Heat Warning

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.

&&

$$