Extreme Heat Warning issued September 5 at 4:08PM CDT until September 6 at 8:00PM CDT by NWS Springfield MO

Bourbon; Crawford; Cherokee; Benton; Morgan; Miller; Maries; Vernon; St. Clair; Hickory; Camden; Pulaski; Phelps; Barton; Cedar; Polk; Dallas; Laclede; Texas; Dent; Jasper; Dade; Greene; Webster; Wright; Newton; Lawrence; Christian; Douglas; Howell; Shannon; McDonald; Barry; Stone; Taney; Ozark; Oregon

Urgency: Expected

Certainty: Likely

Onset: 9/5/2026, 9:08:00 PM

Expires: 9/6/2026, 7:15:00 PM

Details

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...Portions of southeast Kansas and central, east central, south central, southwest, and west central Missouri. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...An approaching frontal boundary will provide some relief to portions of central Missouri into the eastern Ozarks Sunday...and farther westward on Monday. The warning may need to be extended for southeast Kansas into far southwest Missouri Monday.

What To Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Affected States

Oregon Texas

Other Active Extreme Heat Warning Alerts

Extreme Heat Warning issued September 6 at 3:39AM CDT until September 6 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO

Doniphan; Buchanan; Clinton; Caldwell; Ray; Carroll; Lafayette; Saline; Howard; Johnson; Pettis; Cooper; Henry

Extreme Heat Warning issued September 6 at 3:39AM CDT until September 8 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO

Atchison; Miami; Linn; Leavenworth; Wyandotte; Johnson; Platte; Clay; Jackson; Cass; Bates

Extreme Heat Warning issued September 6 at 1:50AM CDT until September 8 at 7:00PM CDT by NWS Topeka KS

Republic; Washington; Marshall; Nemaha; Brown; Cloud; Clay; Riley; Pottawatomie; Jackson; Jefferson; Ottawa; Dickinson; Geary; Morris; Wabaunsee; Shawnee; Douglas; Lyon; Osage; Franklin; Coffey; Anderson

Extreme Heat Warning issued September 6 at 2:09AM AST until September 6 at 5:00PM AST by NWS San Juan PR

San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Interior; Mayaguez and Vicinity; Southwest

Extreme Heat Warning issued September 5 at 11:43PM CDT until September 6 at 7:00PM CDT by NWS Tulsa OK

North and Central Sebastian; Southern Crawford; Central and Southern Franklin

Source: National Weather Service.