Heat Advisory

Locations Affected

Washington, DC ∙ Baltimore, MD ∙ Alexandria, VA ∙ Gaithersburg, MD ∙ Rockville, MD ∙ Frederick, MD ∙ Bowie, MD ∙ Harrisonburg, VA ∙ Wolf Trap, VA ∙ Hillsmere Shores, MD

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 225 AM EDT Thu Jun 26 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 107 expected east of the Blue Ridge, and up to 103 west of the Blue Ridge. * WHERE...DC, central, north central, northeast, northern, southern, and western Maryland, central, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

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