Heat Advisory: Norman; Clay; Wilkin; West Otter Tail; Grant; Traill; Cass; Richland

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Heat Advisory — Norman; Clay; Wilkin; West Otter Tail; Grant; Traill; Cass; Richland Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 105 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. * WHERE...In Minnesota, Norman, Clay, Grant, West Otter Tail, and Wilkin Counties. In North Dakota, Cass, Richland, and Traill Counties. * WHEN...For the Heat Advisory, until 11 AM CDT Sunday. For the Extreme Heat Warning, from 11 AM to 9 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.