URGENT – WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 459 PM EDT Thu Jun 20 2024 DCZ001-MDZ004>006-008-011-013-014-016-503>508-VAZ037>040-050-051- 053>057-501-502-505-506-526-527-210500- /O.NEW.KLWX.EH.A.0003.240622T1600Z-240623T0000Z/
District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles- Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard-Northwest Harford-Southeast Harford-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Fairfax-Arlington/Falls Church/Alexandria-Stafford-Spotsylvania- King George-Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- Including the cities of Charlottesville, Falls Church, Baltimore, Glen Burnie, Odenton, Sterling, Dale City, Jarrettsville, Ellicott City, Turnbull, Clinton, College Park, Gaithersburg, Severn, Damascus, Lisbon, Fredericksburg, Eldersburg, Dahlgren, Ballenger Creek, Herndon, Madison, Bowie, Camp Springs, Annapolis, St. Charles, Falmouth, Ashburn, Stanardsville, Washington, Alexandria, Frederick, Haymarket, Chantilly, Severna Park, Suitland-Silver Hill, Columbia, Gordonsville, Rockville, Arnold, Laurel, Bethesda, Arlington, Purcellville, Reisterstown, Cockeysville, Silver Spring, Leesburg, Lake Ridge, Warrenton, Culpeper, Greenbelt, Westminster, Franconia, Aberdeen, Orange, Waldorf, Germantown, Montclair, South Gate, Elkton, Manassas, Reston, McLean, Woodbridge, Annandale, and Centreville 459 PM EDT Thu Jun 20 2024 …
EXCESSIVE HEAT WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING… *
WHAT…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, northern, and northwest Virginia. *
WHEN…From Saturday afternoon through Saturday evening. * IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events. *
ADDITIONAL DETAILS…Oppressive heat and humidity will overspread the area Saturday and last into Sunday. Little relief from the heat is expected Saturday night with low temperatures in upper 70s to near 80 for most.
PRECAUTIONARY/PREPAREDNESS ACTIONS… Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives, neighbors, pets, and livestock. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
By The National Weather Service, Sterling, Va.