Heat Advisory issued July 15 at 4:33AM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC

* WHAT...
For the Heat Advisory, heat index values of 100 to 104 expected in the valleys. For the Excessive Heat Watch, dangerously hot conditions with heat index values around 105 possible.

* WHERE...
In Maryland, Central and Eastern Allegany County. In Virginia, Rockingham County. In West Virginia, Hampshire, Hardy, Eastern Grant and Eastern Mineral Counties.

* WHEN...
For the Heat Advisory, from 11 AM this morning to 8 PM EDT this evening. For the Excessive Heat Watch, from Tuesday morning through Tuesday evening.

* IMPACTS...
Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* ADDITIONAL DETAILS...
Very warm and humid conditions will persist into the overnight hours, adding heat stress to those without air conditioning. Ensure to stay hydrated and find ways to stay cool.

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