Heat Advisory
Status
Event Continued Active alertStart Time
Thu 06/26/2025 11:00 AM EDTEnd Time
Thu 06/26/2025 07:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Baltimore, MD ∙ Washington, DC ∙ Alexandria, VA ∙ Gaithersburg, MD ∙ Rockville, MD ∙ Frederick, MD ∙ Bowie, MD ∙ Harrisonburg, VA ∙ The Plains, VA ∙ Linthicum Heights, MDFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 450 PM EDT Wed Jun 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM EDT THURSDAY... ...HEAT ADVISORY IS CANCELLED... * WHAT...Heat index values up to 107 expected. * 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...From 11 AM to 7 PM EDT Thursday. * 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.
Technical Header
DCZ001-MDZ003>006-008-011-013-014-016>018-502>508-VAZ026>031-036>040- 050-051-053>057-501-502-505-506-526-527-WVZ050>053-055-502-504- 260500- /O.CAN.KLWX.HT.Y.0004.000000T0000Z-250626T0100Z/ /O.CON.KLWX.HT.Y.0005.250626T1500Z-250626T2300Z/ District of Columbia-Washington-Frederick MD-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 VA-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- 450 PM EDT Wed Jun 25 2025
