Extreme Heat Warning: Washington; Central and Eastern Allegany; Morgan; Berkeley; Jefferson

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Extreme Heat Warning — Washington; Central and Eastern Allegany; Morgan; Berkeley; Jefferson Severity: Severe. Certainty: Likely. * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 109 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. * WHERE...In Maryland, Washington and Central and Eastern Allegany Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...For the first Extreme Heat Warning, from 10 AM this morning to 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.