* 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.

WWUS71 KLWX 161612
NPWLWX

Heat Advisory
National Weather Service Baltimore MD/Washington DC
1212 PM EDT Thu Jul 16 2026
DCZ001-MDZ008-011-013-014-016-504-506-508-VAZ053-054-527
/O.CON.KLWX.HT.Y.0010.000000T0000Z-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

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

* 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.
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.

HEAT ADVISORY

Heat Advisory issued July 16 at 12:12PM EDT until July 16 at 8:00PM EDT by NWS Baltimore MD/Washington DC

district of columbia

The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Thursday for
the Baltimore City Metro and Annapolis region.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx

AEUS71 KLWX 152043
AQALWX

Air Quality Alert
National Weather Service Baltimore MD/Washington DC
443 PM EDT Wed Jul 15 2026
MDZ011-014
Southern Baltimore-Anne Arundel

...AIR QUALITY ALERT IS IN EFFECT FOR THURSDAY JULY 16 2026...

The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Thursday for
the Baltimore City Metro and Annapolis region.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx

Local Weather

Baltimore, Maryland, US