Heat Advisory: Doniphan; Atchison; Nodaway; Worth; Gentry; Harrison; Mercer; Putnam; Schuyler; Holt; Andrew; De Kalb; Daviess; Grundy; Sullivan; Adair; Buchanan; Clinton; Caldwell; Livingston; Linn; Macon

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Heat Advisory — Doniphan; Atchison; Nodaway; Worth; Gentry; Harrison; Mercer; Putnam; Schuyler; Holt; Andrew; De Kalb; Daviess; Grundy; Sullivan; Adair; Buchanan; Clinton; Caldwell; Livingston; Linn; Macon Severity: Moderate. Certainty: Likely. * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100-110. For the Heat Advisory, heat index values up to 100-105 expected. * WHERE...Portions of northeast Kansas and north central, northeast, and northwest Missouri. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 9 PM this evening to 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.