Note: The Heat Advisory has expired for the DC region. The most recent advisory issuance before the expiration is below.
A Heat Advisory remains in effect from 11 am to 7 pm Thursday, June 26, 2025 including the following jurisdictions.
DISTRICT OF COLUMBIA.
MARYLAND: Washington, Frederick, Carroll, Baltimore, Baltimore City, Cecil, Prince George’s, Anne Arundel, Charles, St. Mary’s, Calvert, central/eastern Allegany, Montgomery, Howard, Harford.
VIRGINIA: Augusta, Rockingham, Shenandoah, Frederick, Page, Warren, Clarke, Nelson, Albemarle, Greene, Madison, Rappahannock, Orange, Culpeper, Fairfax, Arlington, Falls Church, Alexandria, Stafford, Spotsylvania, King George, Fauquier, Loudoun, Prince William, Manassas, Manassas Park.
WEST VIRGINIA: Hampshire, Morgan, Berkeley, Jefferson, Hardy, eastern Grant, eastern Mineral, eastern Pendleton.
Excerpted from the National Weather Service:
…HEAT ADVISORY REMAINS IN EFFECT UNTIL 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…Portions of DC, central, north central, northeast, northern, southern, and western Maryland, central, northern, northwest, and western Virginia, and eastern and panhandle West Virginia.
WHEN…Until 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.