Watches, Warnings & Advisories



3 products issued by NWS for: 2 Miles NNE Belle Haven VA

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
924 AM EDT Sat Jul 18 2026

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-191330-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Cecil-Southern Baltimore-
Prince Georges-Anne Arundel-Charles-St. Marys-Calvert-
Central and Southeast Montgomery-Central and Southeast Howard-
Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-
Stafford-Spotsylvania-King George-
Central and Southeast Prince William/Manassas/Manassas Park-
924 AM EDT Sat Jul 18 2026

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and I-95 corridor through
central Maryland, northern Virginia, and District of Columbia.

.DAY ONE...Today and Tonight

A Heat Advisory is in effect from 11 AM until 7 PM for much of the
area from Baltimore southward.

Multiple rounds of showers and thunderstorms are expected through
this evening. Some thunderstorms may become severe, especially
this afternoon and evening, with damaging wind gusts being the
primary threat (a few of which could approach 70 mph). Large hail
and a tornado or two are also possible. In addition, very heavy
rain could result in a few instances of flash flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Severe thunderstorms with damaging wind gusts are possible
Tuesday and Wednesday of next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed by this afternoon.

$$



Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
750 AM EDT Sat Jul 18 2026

DCZ001-MDZ011-013-014-016>018-VAZ053>057-527-182300-
/O.CON.KLWX.HT.Y.0011.260718T1500Z-260718T2300Z/
District of Columbia-Southern Baltimore-Prince Georges-Anne
Arundel-Charles-St. Marys-Calvert-Fairfax-Arlington/Falls
Church/Alexandria-Stafford-Spotsylvania-King George-Central and
Southeast Prince William/Manassas/Manassas Park-
750 AM EDT Sat Jul 18 2026

...HEAT ADVISORY REMAINS IN EFFECT THROUGH 7 PM EDT THIS EVENING...

* WHAT...Heat index values around 105 expected.

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

* WHEN...From 11 AM this morning to 7 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! In cases of heat stroke, call 9 1 1.

&&

$$

DHOF




Air Quality Alert

VAZ053-054-505-506-526-527-190400-
Fairfax-Western Loudoun-Eastern Loudoun-Northwest Prince William-
Central and Southeast Prince William/Manassas/Manassas Park-
Arlington/Falls Church/Alexandria-
440 PM EDT Fri Jul 17 2026

...AIR QUALITY ALERT CONTINUES THROUGH SATURDAY JULY 18 2026...

The Virginia Department of Environmental Quality has issued a
Code ORANGE Air Quality Alert Saturday for
Northern Virginia.

Concentrations of fine particulate matter due to wildfire smoke will
persist at levels consistent with an Air Quality Index of Unhealthy
(Red Alert) to Very Unhealthy (Purple Alert) Friday night into
Saturday morning. Air quality begins to improve Saturday afternoon.

Code Purple and Code Red Air Quality Alerts mean that air pollution
concentrations within the region are unhealthy to very unhealthy for
the general population.

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 Virginia DEQ air quality web site at
www.deq.virginia.gov

$$