Note: The Extreme Heat Watch has been upgraded for the DC region. The most recent watch issuances before the upgrade are below.
An Extreme Heat Watch remains in effect from 11 am to 9 pm Tuesday, June 24, 2025 including the following jurisdictions.
DISTRICT OF COLUMBIA.
MARYLAND: Frederick, Carroll, Baltimore, Baltimore City, Cecil, Prince George’s, Anne Arundel, Charles, St. Mary’s, Calvert, Montgomery, Howard, Harford.
VIRGINIA: Fairfax, Arlington, Falls Church, Alexandria, Stafford, Spotsylvania, King George, southern Fauquier, Loudoun, Prince William, Manassas, Manassas Park.
Excerpted from the National Weather Service:
…EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING…
…EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING…
WHAT…For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible.
WHERE…Portions of DC, central, north central, northeast, northern, and southern Maryland, and central and northern Virginia.
WHEN…For the Extreme Heat Warning, from 11 AM this morning to 9 PM EDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening.
IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events.
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.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
An Extreme Heat Watch remains in effect from 11 am to 9 pm Tuesday, June 24, 2025 including the following jurisdictions.
MARYLAND: Washington.
VIRGINIA: Shenandoah, Frederick, Page, Warren, Clarke.
WEST VIRGINIA: Berkeley, Jefferson.
Excerpted from the National Weather Service:
…EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING…
…EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING…
WHAT…For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 109 possible.
WHERE…In Maryland, Washington County. In Virginia, Clarke, Frederick VA, Page, Shenandoah, and Warren Counties. In West Virginia, Berkeley and Jefferson Counties.
WHEN…For the Extreme Heat Warning, from 11 AM this morning to 9 PM EDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening.
IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events.
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.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
An Extreme Heat Watch remains in effect from 11 am to 9 pm Tuesday, June 24, 2025 including the following jurisdictions.
VIRGINIA: Nelson, Albemarle, Greene, Madison, Rappahannock, Orange, Culpeper, northern Fauquier.
Excerpted from the National Weather Service:
…HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING…
…EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING…
WHAT…For the Heat Advisory, heat index values up to 108 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 111 possible.
WHERE…Albemarle, Greene, Nelson, Orange, Culpeper, Northern Fauquier, Madison, and Rappahannock Counties.
WHEN…For the Heat Advisory, from 11 AM this morning to 9 PM EDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening.
IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events. 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.