Heat Advisory issued June 24 at 3:04PM EDT until June 25 at 9:00PM EDT by NWS Baltimore MD/Washington DC

* WHAT...
For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111. For the Heat Advisory, heat index values up to 108 expected.

* WHERE...
Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.

* WHEN...
For the Extreme Heat Warning, until 9 PM EDT this evening.
For the Heat Advisory, from 11 AM to 9 PM EDT Wednesday.

* IMPACTS...
Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

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