Interactive NWS Alert

Radar valid at 705 pm EDT, Jul 16th 2026

DCZ001-MDZ008-011-013-014-016-504-506-508-VAZ053-054-527-170000-
/O.NEW.KLWX.HT.Y.0010.260716T1500Z-260717T0000Z/
District of Columbia-Cecil-Southern Baltimore-Prince Georges-Anne
Arundel-Charles-Central and Southeast Montgomery-Central and
Southeast Howard-Southeast Harford-Fairfax-Arlington/Falls
Church/Alexandria-Central and Southeast Prince
William/Manassas/Manassas Park-
955 AM EDT Thu Jul 16 2026

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Heat index values around 105.

* WHERE...Washington DC, and portions of central, northeast,
northern, and southern Maryland, and northern Virginia.

* WHEN...Until 8 PM EDT this evening.

* 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.

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.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.