Extreme Heat Warning

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 109 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 to 8 PM EDT Thursday. 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.