EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaVernon; Rapides; Avoyelles; Evangeline; St. Landry; Tyler; Northern Jasper; Northern Newton Effective8/20/2026, 12:54:00 PM...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaZapata; Jim Hogg; Brooks; Inland Kenedy; Starr; Southern Hidalgo; Inland Willacy; Inland Cameron; Northern...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaHutchinson; Roberts; Hemphill; Gray; Wheeler; Armstrong; Donley Effective8/20/2026, 12:33:00 PM CDT Expires8/21/2026, 1:00:00 AM CDT...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaNorth and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Okfuskee; Okmulgee; Muskogee;...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaPushmataha; Choctaw Effective8/20/2026, 12:12:00 PM CDT Expires8/21/2026, 1:00:00 AM CDT Heat Advisory issued August 20...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaPawnee; Tulsa; Rogers; Mayes; Creek; Wagoner; Cherokee; Northern Sequoyah; Southeast Osage Effective8/20/2026, 12:12:00 PM CDT...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaPawnee; Tulsa; Rogers; Mayes; Creek; Wagoner; Cherokee; Northern Sequoyah; Southeast Osage Effective8/20/2026, 12:12:00 PM CDT...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaWashington; Nowata; Craig; Western Osage; Northeast Osage Effective8/20/2026, 12:12:00 PM CDT Expires8/20/2026, 8:00:00 PM CDT...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaAlfalfa; Grant; Kay; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Payne; Beckham; Washita Effective8/20/2026,...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaCanadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Stephens; Jefferson Effective8/20/2026, 12:04:00 PM CDT...