Extreme Heat Warning: Keweenaw; Ontonagon; Houghton; Baraga; Marquette; Gogebic; Iron; Dickinson; Southern Houghton

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Extreme Heat Warning — Keweenaw; Ontonagon; Houghton; Baraga; Marquette; Gogebic; Iron; Dickinson; Southern Houghton Severity: Severe. Certainty: Likely. * WHAT...Heat index values from 95 to 102 expected. * WHERE...Baraga, Dickinson, Iron, Marquette, Gogebic, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...For the Heat Advisory, until 9 PM EDT /8 PM CDT/ this evening. For the Extreme Heat Warning, from noon EDT /11 AM CDT/ to 10 PM EDT /9 PM CDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.