Extreme Heat Watch: West Polk; Norman; Clay; Kittson; Roseau; West Marshall; East Marshall; Pennington; Red Lake; East Polk; Wilkin; West Otter Tail; Grant; Towner; Cavalier; Pembina; Benson; Ramsey; Eastern Walsh County; Eddy; Nelson; Grand Forks; Griggs; Steele; Traill; Barnes; Cass; Ransom; Sargent; Richland; Western Walsh County

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Extreme Heat Watch — West Polk; Norman; Clay; Kittson; Roseau; West Marshall; East Marshall; Pennington; Red Lake; East Polk; Wilkin; West Otter Tail; Grant; Towner; Cavalier; Pembina; Benson; Ramsey; Eastern Walsh County; Eddy; Nelson; Grand Forks; Griggs; Steele; Traill; Barnes; Cass; Ransom; Sargent; Richland; Western Walsh County Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 108 possible. * WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. * WHEN...From Sunday morning through late Monday night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Isolated heat impacts could start as early as Saturday afternoon, with widespread heat impacts expected Sunday and Monday afternoon.