Heat Advisory
Status
Event Extended (Time) Active alertStart Time
Wed 07/15/2026 11:00 AM EDTEnd Time
Wed 07/15/2026 08:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1255 PM EDT Tue Jul 14 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 11 AM TO 8 PM EDT WEDNESDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Wednesday. * 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.
Technical Header
DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ040-051-053>055- 057-501-502-505-506-526-527-150100- /O.EXT.KLWX.HT.Y.0009.260715T1500Z-260716T0000Z/ District of Columbia-Frederick-Carroll-Northern Baltimore-Cecil- Southern Baltimore-Prince Georges-Anne Arundel-Charles-St. Marys- Calvert-Northwest Montgomery-Central and Southeast Montgomery- Northwest Howard-Central and Southeast Howard-Northwest Harford- Southeast Harford-Rappahannock-Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford-King George-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William- Central and Southeast Prince William/Manassas/Manassas Park- 1255 PM EDT Tue Jul 14 2026
