Extreme Heat Warning issued September 7 at 3:55AM 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

Urgency: Expected

Certainty: Likely

Onset: 9/7/2026, 8:55:00 AM

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

Details

* WHAT...Dangerously hot and prolonged conditions with heat index values in excess of 105 possible. * WHERE...Portions of east central and northeast Kansas and west central Missouri. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Other Active Extreme Heat Warning Alerts

Extreme Heat Warning issued September 7 at 10:03AM AST until September 7 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 7 at 3:25AM CDT until September 7 at 8:00PM CDT by NWS Springfield MO

Bourbon; Crawford; Cherokee; Vernon; St. Clair; Barton; Cedar; Jasper; Dade; Newton; Lawrence; McDonald; Barry; Stone

Extreme Heat Warning issued September 7 at 12:33AM MST until September 11 at 8:00PM MST by NWS Phoenix AZ

Parker Valley; Central La Paz; Palo Verde Valley; Chuckwalla Valley

Extreme Heat Warning issued September 7 at 12:33AM MST until September 10 at 8:00PM MST by NWS Phoenix AZ

Yuma

Extreme Heat Warning issued September 7 at 12:33AM MST until September 10 at 8:00PM MST by NWS Phoenix AZ

Kofa; Southeast Yuma County; Gila River Valley; Tonopah Desert; Gila Bend; Sonoran Desert Natl Monument

Source: National Weather Service.