Weather Warning

This warning affects:Albemarle, Anne Arundel, Arlington/Falls Church/Alexandria, Berkeley, Calvert, Carroll, Cecil, Central and Eastern Allegany, Central and Southeast Howard, Central and Southeast Montgomery, Central and Southeast Prince William/Manassas/Manassas Park, Charles, Clarke, Culpeper, District of Columbia, Eastern Grant, Eastern Loudoun, Eastern Mineral, Fairfax, Frederick, Greene, Hampshire, Hardy, Jefferson, King George, Madison, Morgan, Nelson, Northern Baltimore, Northern Fauquier, Northwest Harford, Northwest Howard, Northwest Montgomery, Northwest Prince William, Orange, Page, Prince Georges, Rappahannock, Rockingham, Shenandoah, Southeast Harford, Southern Baltimore, Southern Fauquier, Spotsylvania, St. Marys, Stafford, Warren, Washington and Western Loudoun. View More

Heat Advisory for District of Columbia, Washington, Frederick, Carroll, Northern Baltimore, and 45 more locations

  • Issued by the National Oceanographic and Atmospheric Administration

AREAS AFFECTED : DISTRICT OF COLUMBIA; WASHINGTON; FREDERICK; CARROLL; NORTHERN BALTIMORE; CECIL; SOUTHERN BALTIMORE; PRINCE GEORGES; ANNE ARUNDEL; CHARLES; ST. MARYS; CALVERT; CENTRAL AND EASTERN ALLEGANY; NORTHWEST MONTGOMERY; CENTRAL AND SOUTHEAST MONTGOMERY; NORTHWEST HOWARD; CENTRAL AND SOUTHEAST HOWARD; NORTHWEST HARFORD; SOUTHEAST HARFORD; ROCKINGHAM; SHENANDOAH; FREDERICK; PAGE; WARREN; CLARKE; NELSON; 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; HAMPSHIRE; MORGAN; BERKELEY; JEFFERSON; HARDY; EASTERN GRANT; EASTERN MINERAL

* 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.