3 products issued by NWS for: Ozark AR
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Tulsa OK 436 AM CDT Wed Aug 19 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-200945- 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- 436 AM CDT Wed Aug 19 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Far Northeast Oklahoma into Northwest Arkansas. ONSET...Late Afternoon. DANGEROUS HEAT. RISK...Significant. AREA...Eastern Oklahoma and Western Arkansas. ONSET...Midday. AREA AT GREATEST RISK...Much of Eastern Oklahoma and West-Central Arkansas. DISCUSSION... Intense heat is forecast yet again today ahead of a weak front. Afternoon heat indices between 105 and 115 degrees will be common, with the hottest numbers across east-central and northeast Oklahoma and west-central Arkansas. A few thunderstorms may develop along the weak front by late this afternoon or early this evening across far northeast Oklahoma into northwest Arkansas. Locally damaging wind is the main threat with any storms that develop. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. THURSDAY...Thunderstorm...Dangerous Heat Potential. FRIDAY and SATURDAY...Dangerous Heat Potential. SUNDAY...Thunderstorm...Dangerous Heat Potential. MONDAY and TUESDAY...Dangerous Heat Potential. EXTENDED DISCUSSION... The weak front will take some of the edge off the intense heat beginning Thursday, with the less intense heat persisting into early next week. Nevertheless, heat indices will range from 100 to 110 degrees each afternoon with no significant heat relief coming just yet. The weak boundary is expected to focus isolated storms across southeast Oklahoma and west-central Arkansas on Thursday. Another weak back door front will bring low storm chances on Sunday. weather.gov/tulsa contains additional information. $$
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service Tulsa OK Issued by National Weather Service Norman OK 1228 PM CDT Wed Aug 19 2026 ARZ129-219-220-229-OKZ065-070-071-073>075-176-272-276-200530- /O.NEW.KTSA.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KTSA.XH.W.0015.000000T0000Z-260820T0200Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Southern Sebastian-Okfuskee-Muskogee-McIntosh- Pittsburg-Haskell-Latimer-Northern Le Flore-Central and Southern Sequoyah-Central Le Flore- Including the cities of Mansfield, Poteau, Huntington, Cecil, Spiro, Cravens, McAlester, Patterson, Stigler, Checotah, Sallisaw, Jethro, Panama, Hartford, Wilburton, Liberty, Fort Smith, Pocola, Ozark, Lonelm, Okemah, Arkoma, Watalula, Muskogee, Charleston, and Van Buren 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values near 110 For the Heat Advisory, heat index values between 100 and 105 are expected. * WHERE...Portions of northwest and west central Arkansas and east central and southeast Oklahoma. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$
Extreme Heat Warning
URGENT - WEATHER MESSAGE National Weather Service Tulsa OK Issued by National Weather Service Norman OK 1228 PM CDT Wed Aug 19 2026 ARZ129-219-220-229-OKZ065-070-071-073>075-176-272-276-200530- /O.NEW.KTSA.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KTSA.XH.W.0015.000000T0000Z-260820T0200Z/ North and Central Sebastian-Southern Crawford-Central and Southern Franklin-Southern Sebastian-Okfuskee-Muskogee-McIntosh- Pittsburg-Haskell-Latimer-Northern Le Flore-Central and Southern Sequoyah-Central Le Flore- Including the cities of Mansfield, Poteau, Huntington, Cecil, Spiro, Cravens, McAlester, Patterson, Stigler, Checotah, Sallisaw, Jethro, Panama, Hartford, Wilburton, Liberty, Fort Smith, Pocola, Ozark, Lonelm, Okemah, Arkoma, Watalula, Muskogee, Charleston, and Van Buren 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...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 near 110 For the Heat Advisory, heat index values between 100 and 105 are expected. * WHERE...Portions of northwest and west central Arkansas and east central and southeast Oklahoma. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Thursday. * 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. && $$