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Note: The Heat Advisory has been canceled for the DC region. The most recent advisory issuance before the cancellation is below.
A Heat Advisory remains in effect to 8 pm Thursday, July 4, 2024 including the following Washington, DC region jurisdictions.
DISTRICT OF COLUMBIA.
MARYLAND: southern Baltimore, Baltimore City, Prince George’s, Anne Arundel, Charles, central/southeast Montgomery, central/southeast Howard.
VIRGINIA: Fairfax, Arlington, Falls Church, Alexandria, Stafford, Spotsylvania, central/southeast Prince William, Manassas, Manassas Park.
Excerpted from the National Weather Service:
…HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING…
…HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM EDT FRIDAY…
* WHAT…For the first Heat Advisory, heat index values up to 100. For the second Heat Advisory, heat index values up to 109 expected.
* WHERE…Portions of central, northern and southern Maryland, The District of Columbia and central and northern Virginia.
* WHEN…For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon to 8 PM EDT Friday.
* IMPACTS…Hot temperatures and high humidity may cause heat illnesses to occur.
* ADDITIONAL DETAILS…The combination of air temperatures in the 90s and high humidity will result in the potential for increased heat-related illnesses, especially those partaking in outdoor Independence Day activities today.
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. Young children and pets should never be left unattended in vehicles under any circumstances.
Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.