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Heat Advisory — Atchison, KS, Doniphan, KS, Leavenworth, KS, Wyandotte, KS, Johnson, KS, Andrew, MO, De Kalb, MO, Buchanan, MO, Clinton, MO, Caldwell, MO, Livingston, MO, Platte, MO, Clay, MO, Ray, MO, Carroll, MO, Chariton, MO, Randolph, MO, Jackson, MO, Lafayette, MO
Issued
12:00 PM CDT · Tue, Aug 11 2026
Expires
8:00 PM CDT · Tue, Aug 11 2026
Issuing Office
NWS KEAX

Affected Areas

Atchison, KS Doniphan, KS Leavenworth, KS Wyandotte, KS Johnson, KS Andrew, MO De Kalb, MO Buchanan, MO Clinton, MO Caldwell, MO Livingston, MO Platte, MO Clay, MO Ray, MO Carroll, MO Chariton, MO Randolph, MO Jackson, MO Lafayette, MO

Official Bulletin

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of east central and northeast Kansas and north
central, northwest, and west central Missouri.

* WHEN...From noon today to 8 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

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