iNWS Alert

DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ039-040-051-053-
054-501-502-505-506-526-527-241800-
/O.NEW.KLWX.HT.Y.0008.250725T1500Z-250726T0000Z/
District of Columbia-Frederick MD-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-Madison-Rappahannock-Culpeper-
Fairfax-Arlington/Falls Church/Alexandria-Northern Fauquier-
Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest
Prince William-Central and Southeast Prince
William/Manassas/Manassas Park-
123 AM EDT Thu Jul 24 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and northern and northwest
Virginia.

* WHEN...From 11 AM to 8 PM EDT Friday.

* 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.

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