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Home Heat Advisory 0040 Issued by the Norman Forecast Office
Action: New Issued At: 2026-08-19 12:29:21 846 WWUS74 KOUN 191728 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 1228 PM CDT Wed Aug 19 2026 OKZ007-008-191830- /O.CAN.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Grant-Kay- Including the cities of Medford, Blackwell, Lamont, Wakita, Ponca City, and Pond Creek 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IS CANCELLED... A cold front and associated cloud cover will prevent temperatures from reaching heat advisory criteria. Temperatures will still be hot, reaching into the upper 90s. $$ OKZ004>006-010-191830- /O.CAN.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Harper-Woods-Alfalfa-Woodward- Including the cities of Alva, Cherokee, Laverne, Helena, Carmen, Woodward, and Buffalo 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IS CANCELLED... A cold front and associated cloud cover will prevent temperatures from reaching heat advisory criteria. Temperatures will still be hot, reaching into the upper 90s. $$ OKZ040>043-046>048-050>052-200730- /O.NEW.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/ /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garvin-Murray-Pontotoc-Coal-Carter-Johnston-Atoka-Love-Marshall- Bryan- Including the cities of Madill, Sulphur, Wynnewood, Thackerville, Pauls Valley, Kingston, Ardmore, Davis, Coalgate, Atoka, Marietta, Ada, Tishomingo, Durant, and Lindsay 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from 1 PM to 8 PM CDT Thursday. * 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. && $$ OKZ027>032-039-045-200730- /O.NEW.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Grady-McClain-Cleveland-Pottawatomie-Seminole-Hughes-Stephens- Jefferson- Including the cities of Purcell, Ryan, Duncan, Tuttle, Chickasha, Seminole, Holdenville, Wewoka, Waurika, Blanchard, Shawnee, Wetumka, Newcastle, Ringling, Norman, and Moore 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 109. For the Heat Advisory, heat index values up to 108 expected. * WHERE...Cleveland, Grady, McClain, Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ012-013-018>020-024>026-200100- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garfield-Noble-Kingfisher-Logan-Payne-Canadian-Oklahoma-Lincoln- Including the cities of Kingfisher, Yukon, Stroud, Perry, Wellston, Davenport, Meeker, Prague, Mustang, Hennessey, Okarche, Stillwater, Guthrie, Enid, Chandler, Oklahoma City, Concho, and El Reno 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 109. * WHERE...Canadian, Kingfisher, Lincoln, Logan, Oklahoma, Payne, Garfield, and Noble Counties. * WHEN...Until 8 PM CDT this evening. * 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. && $$ OKZ023-033>038-044-TXZ083>090-200730- /O.NEW.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Caddo-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Cotton-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Seymour, Walters, Lakeside City, Crowell, Wichita Falls, Anadarko, Altus, Mangum, Granite, Henrietta, Lawton, Hollis, Archer City, Snyder, Holliday, Scotland, Frederick, Sheppard AFB, Knox City, Quanah, Munday, Vernon, Temple, Hobart, and Hinton 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Portions of southwest Oklahoma and northern Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ009-011-014>017-021-022-200100- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Ellis-Major-Roger Mills-Dewey-Custer-Blaine-Beckham-Washita- Including the cities of Weatherford, Clinton, Elk City, Vici, Fairview, Sentinel, Shattuck, Fargo, Sayre, Watonga, Hammon, Seiling, Cordell, Taloga, Gage, Leedey, Cheyenne, Burns Flat, Arnett, Geary, and Okeene 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Temperatures up to 108. * WHERE...Blaine, Dewey, Ellis, Major, Beckham, Custer, Roger Mills, and Washita Counties. * 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. && $$ MAD Action: New Issued At: 2026-08-19 12:29:21 846 WWUS74 KOUN 191728 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 1228 PM CDT Wed Aug 19 2026 OKZ007-008-191830- /O.CAN.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Grant-Kay- Including the cities of Medford, Blackwell, Lamont, Wakita, Ponca City, and Pond Creek 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IS CANCELLED... A cold front and associated cloud cover will prevent temperatures from reaching heat advisory criteria. Temperatures will still be hot, reaching into the upper 90s. $$ OKZ004>006-010-191830- /O.CAN.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Harper-Woods-Alfalfa-Woodward- Including the cities of Alva, Cherokee, Laverne, Helena, Carmen, Woodward, and Buffalo 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IS CANCELLED... A cold front and associated cloud cover will prevent temperatures from reaching heat advisory criteria. Temperatures will still be hot, reaching into the upper 90s. $$ OKZ040>043-046>048-050>052-200730- /O.NEW.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/ /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garvin-Murray-Pontotoc-Coal-Carter-Johnston-Atoka-Love-Marshall- Bryan- Including the cities of Madill, Sulphur, Wynnewood, Thackerville, Pauls Valley, Kingston, Ardmore, Davis, Coalgate, Atoka, Marietta, Ada, Tishomingo, Durant, and Lindsay 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ027>032-039-045-200730- /O.NEW.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Grady-McClain-Cleveland-Pottawatomie-Seminole-Hughes-Stephens- Jefferson- Including the cities of Purcell, Ryan, Duncan, Tuttle, Chickasha, Seminole, Holdenville, Wewoka, Waurika, Blanchard, Shawnee, Wetumka, Newcastle, Ringling, Norman, and Moore 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 8 PM CDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 109. For the Heat Advisory, heat index values up to 108 expected. * WHERE...Cleveland, Grady, McClain, Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties. * WHEN...For the Extreme Heat Warning, until 8 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. 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. && $$ OKZ012-013-018>020-024>026-200100- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garfield-Noble-Kingfisher-Logan-Payne-Canadian-Oklahoma-Lincoln- Including the cities of Kingfisher, Yukon, Stroud, Perry, Wellston, Davenport, Meeker, Prague, Mustang, Hennessey, Okarche, Stillwater, Guthrie, Enid, Chandler, Oklahoma City, Concho, and El Reno 1228 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 109. * WHERE...Canadian, Kingfisher, Lincoln, Logan, Oklahoma, Payne, Garfield, and Noble Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ023-033>038-044-TXZ083>090-200730- /O.NEW.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Caddo-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Cotton-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Seymour, Walters, Lakeside City, Crowell, Wichita Falls, Anadarko, Altus, Mangum, Granite, Henrietta, Lawton, Hollis, Archer City, Snyder, Holliday, Scotland, Frederick, Sheppard AFB, Knox City, Quanah, Munday, Vernon, Temple, Hobart, and Hinton 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Portions of southwest Oklahoma and northern Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday. * 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. && $$ OKZ009-011-014>017-021-022-200100- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Ellis-Major-Roger Mills-Dewey-Custer-Blaine-Beckham-Washita- Including the cities of Weatherford, Clinton, Elk City, Vici, Fairview, Sentinel, Shattuck, Fargo, Sayre, Watonga, Hammon, Seiling, Cordell, Taloga, Gage, Leedey, Cheyenne, Burns Flat, Arnett, Geary, and Okeene 1228 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Temperatures up to 108. * WHERE...Blaine, Dewey, Ellis, Major, Beckham, Custer, Roger Mills, and Washita Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ MAD Action: Continued Issued At: 2026-08-19 18:06:00 320 WWUS74 KOUN 192305 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 605 PM CDT Wed Aug 19 2026 OKZ012-013-200015- /O.CAN.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garfield-Noble- Including the cities of Perry and Enid 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IS CANCELLED... Temperatures and heat indices are expected to remain below 105 degrees for the remainder of the evening. $$ OKZ009-011-014-015-200015- /O.CAN.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Ellis-Major-Roger Mills-Dewey- Including the cities of Shattuck, Arnett, Taloga, Fairview, Cheyenne, Seiling, Vici, Hammon, Leedey, Gage, and Fargo 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IS CANCELLED... Temperatures and heat indices are expected to remain below 105 degrees for the remainder of the evening. $$ OKZ040>043-046>048-050>052-201315- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ /O.CON.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/ Garvin-Murray-Pontotoc-Coal-Carter-Johnston-Atoka-Love-Marshall- Bryan- Including the cities of Coalgate, Ada, Marietta, Atoka, Lindsay, Thackerville, Tishomingo, Sulphur, Durant, Pauls Valley, Wynnewood, Ardmore, Davis, Kingston, and Madill 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Extreme Heat Warning this evening, dangerously hot conditions with heat index values up to 107. For the Extreme Heat Warning on Thursday, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from 1 PM to 8 PM CDT Thursday. * 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. && $$ OKZ027>032-039-045-201315- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ /O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ Grady-McClain-Cleveland-Pottawatomie-Seminole-Hughes-Stephens- Jefferson- Including the cities of Seminole, Newcastle, Shawnee, Norman, Ringling, Ryan, Duncan, Tuttle, Holdenville, Purcell, Wetumka, Wewoka, Blanchard, Chickasha, Moore, and Waurika 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Extreme Heat Warning this evening, dangerously hot conditions with heat index values up to 107. For the Heat Advisory on Thursday, heat index values up to 107 expected. * WHERE...Cleveland, Grady, McClain, Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ018>020-024>026-200100- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Kingfisher-Logan-Payne-Canadian-Oklahoma-Lincoln- Including the cities of Concho, El Reno, Stroud, Davenport, Mustang, Oklahoma City, Prague, Wellston, Kingfisher, Meeker, Chandler, Okarche, Stillwater, Yukon, Hennessey, and Guthrie 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 105. * WHERE...Canadian, Kingfisher, Lincoln, Logan, Oklahoma, and Payne Counties. * WHEN...Until 8 PM CDT this evening. * 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. && $$ OKZ023-033>038-044-TXZ083>090-201315- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ /O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ Caddo-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Cotton-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Lawton, Walters, Seymour, Temple, Sheppard AFB, Granite, Anadarko, Mangum, Quanah, Hollis, Hinton, Frederick, Scotland, Wichita Falls, Knox City, Henrietta, Holliday, Hobart, Altus, Vernon, Snyder, Munday, Lakeside City, Crowell, and Archer City 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Heat Advisory this evening, heat index values up to 105. For the Heat Advisory on Thursday, heat index values up to 107 expected. * WHERE...Portions of southwest Oklahoma and northern Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ016-017-021-022-200100- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Custer-Blaine-Beckham-Washita- Including the cities of Sayre, Okeene, Burns Flat, Geary, Clinton, Cordell, Sentinel, Weatherford, Elk City, and Watonga 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 105. * WHERE...Blaine, Beckham, Custer, and Washita Counties. * 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. && $$ MDU Action: Continued Issued At: 2026-08-19 18:06:00 320 WWUS74 KOUN 192305 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 605 PM CDT Wed Aug 19 2026 OKZ012-013-200015- /O.CAN.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Garfield-Noble- Including the cities of Perry and Enid 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING IS CANCELLED... Temperatures and heat indices are expected to remain below 105 degrees for the remainder of the evening. $$ OKZ009-011-014-015-200015- /O.CAN.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Ellis-Major-Roger Mills-Dewey- Including the cities of Shattuck, Arnett, Taloga, Fairview, Cheyenne, Seiling, Vici, Hammon, Leedey, Gage, and Fargo 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IS CANCELLED... Temperatures and heat indices are expected to remain below 105 degrees for the remainder of the evening. $$ OKZ040>043-046>048-050>052-201315- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ /O.CON.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/ Garvin-Murray-Pontotoc-Coal-Carter-Johnston-Atoka-Love-Marshall- Bryan- Including the cities of Coalgate, Ada, Marietta, Atoka, Lindsay, Thackerville, Tishomingo, Sulphur, Durant, Pauls Valley, Wynnewood, Ardmore, Davis, Kingston, and Madill 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Extreme Heat Warning this evening, dangerously hot conditions with heat index values up to 107. For the Extreme Heat Warning on Thursday, dangerously hot conditions with heat index values up to 110 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from 1 PM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ027>032-039-045-201315- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ /O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ Grady-McClain-Cleveland-Pottawatomie-Seminole-Hughes-Stephens- Jefferson- Including the cities of Seminole, Newcastle, Shawnee, Norman, Ringling, Ryan, Duncan, Tuttle, Holdenville, Purcell, Wetumka, Wewoka, Blanchard, Chickasha, Moore, and Waurika 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Extreme Heat Warning this evening, dangerously hot conditions with heat index values up to 107. For the Heat Advisory on Thursday, heat index values up to 107 expected. * WHERE...Cleveland, Grady, McClain, Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties. * WHEN...For the Extreme Heat Warning, until 8 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. 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. && $$ OKZ018>020-024>026-200100- /O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/ Kingfisher-Logan-Payne-Canadian-Oklahoma-Lincoln- Including the cities of Concho, El Reno, Stroud, Davenport, Mustang, Oklahoma City, Prague, Wellston, Kingfisher, Meeker, Chandler, Okarche, Stillwater, Yukon, Hennessey, and Guthrie 605 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 105. * WHERE...Canadian, Kingfisher, Lincoln, Logan, Oklahoma, and Payne Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ OKZ023-033>038-044-TXZ083>090-201315- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ /O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ Caddo-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Cotton-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Lawton, Walters, Seymour, Temple, Sheppard AFB, Granite, Anadarko, Mangum, Quanah, Hollis, Hinton, Frederick, Scotland, Wichita Falls, Knox City, Henrietta, Holliday, Hobart, Altus, Vernon, Snyder, Munday, Lakeside City, Crowell, and Archer City 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...For the Heat Advisory this evening, heat index values up to 105. For the Heat Advisory on Thursday, heat index values up to 107 expected. * WHERE...Portions of southwest Oklahoma and northern Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday. * 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. && $$ OKZ016-017-021-022-200100- /O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/ Custer-Blaine-Beckham-Washita- Including the cities of Sayre, Okeene, Burns Flat, Geary, Clinton, Cordell, Sentinel, Weatherford, Elk City, and Watonga 605 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 105. * WHERE...Blaine, Beckham, Custer, and Washita Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ MDU Action: Continued Issued At: 2026-08-19 20:36:05 561 WWUS74 KOUN 200135 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 835 PM CDT Wed Aug 19 2026 OKZ040>043-046>048-050>052-201800- /O.CON.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/ Garvin-Murray-Pontotoc-Coal-Carter-Johnston-Atoka-Love-Marshall- Bryan- Including the cities of Coalgate, Ada, Marietta, Atoka, Lindsay, Thackerville, Tishomingo, Sulphur, Durant, Pauls Valley, Wynnewood, Ardmore, Davis, Kingston, and Madill 835 PM CDT Wed Aug 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 110 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties. * WHEN...From 1 PM to 8 PM CDT Thursday. * 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. && $$ OKZ023-027>039-044-045-TXZ083>090-201800- /O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/ Caddo-Grady-McClain-Cleveland-Pottawatomie-Seminole-Hughes-Harmon- Greer-Kiowa-Jackson-Tillman-Comanche-Stephens-Cotton-Jefferson- Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- Including the cities of Ringling, Tuttle, Lawton, Wewoka, Walters, Waurika, Seymour, Temple, Sheppard AFB, Granite, Anadarko, Newcastle, Shawnee, Norman, Seminole, Mangum, Ryan, Duncan, Holdenville, Quanah, Hinton, Moore, Hollis, Frederick, Scotland, Wichita Falls, Chickasha, Knox City, Henrietta, Holliday, Hobart, Altus, Vernon, Snyder, Wetumka, Purcell, Munday, Lakeside City, Blanchard, Crowell, and Archer City 835 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of central, east central, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...From 1 PM to 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ MDU |
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