District of Columbia, Maryland, Virginia Moderate Heat Advisory | Effective 07/16/2026 09:12

Headline: 
Heat Advisory issued July 16 at 12:12PM EDT until July 16 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 16, 2026 - 9:12am
Expires: 
July 16, 2026 - 5:00pm
Description: 
* WHAT...Heat index values around 105. * WHERE...Portions of DC, 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.
Instruction: 
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! In cases of heat stroke, call 9 1 1.
Area Description: 
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
Forcast Office: 
NWS Baltimore MD/Washington DC