Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
1031 AM EDT Thu Jul 2 2026

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-031500-
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-
1031 AM EDT Thu Jul 2 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

An Extreme Heat Warning is in effect from 10 AM to 8 PM.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

An Extreme Heat Warning is in effect from 10 AM to 8 PM Friday.

An Extreme Heat Watch is in effect for Independence Day (Saturday)
from 10 AM to 8 PM. The significant heat risk will linger through
the weekend. Air temperatures of 95 to 100 combined with the
humidity may result in heat index values of 105 to 110 during the
afternoon hours.

Severe thunderstorms are possible particularly during the
afternoon and evening hours Friday through Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Friday through Monday.

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
132 PM EDT Thu Jul 2 2026

DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ037>040-050-051-
053>057-501-502-505-506-526-527-030300-
/O.UPG.KLWX.XH.A.0002.260704T1400Z-260705T0000Z/
/O.NEW.KLWX.XH.W.0004.260704T1400Z-260705T0000Z/
/O.CON.KLWX.XH.W.0002.000000T0000Z-260703T0000Z/
/O.CON.KLWX.XH.W.0003.260703T1400Z-260704T0000Z/
District of Columbia-Frederick-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-Albemarle-Greene-Madison-Rappahannock-Orange-
Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford-
Spotsylvania-King George-Northern Fauquier-Southern Fauquier-
Western Loudoun-Eastern Loudoun-Northwest Prince William-Central
and Southeast Prince William/Manassas/Manassas Park-
132 PM EDT Thu Jul 2 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT
FRIDAY...
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY...

* WHAT...Dangerously hot conditions each afternoon with heat index
  values between 110 to 113 expected.

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

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
  evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
  EDT Friday. For the third Extreme Heat Warning, from 10 AM to 8 PM
  EDT Saturday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
132 PM EDT Thu Jul 2 2026

DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ037>040-050-051-
053>057-501-502-505-506-526-527-030300-
/O.UPG.KLWX.XH.A.0002.260704T1400Z-260705T0000Z/
/O.NEW.KLWX.XH.W.0004.260704T1400Z-260705T0000Z/
/O.CON.KLWX.XH.W.0002.000000T0000Z-260703T0000Z/
/O.CON.KLWX.XH.W.0003.260703T1400Z-260704T0000Z/
District of Columbia-Frederick-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-Albemarle-Greene-Madison-Rappahannock-Orange-
Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford-
Spotsylvania-King George-Northern Fauquier-Southern Fauquier-
Western Loudoun-Eastern Loudoun-Northwest Prince William-Central
and Southeast Prince William/Manassas/Manassas Park-
132 PM EDT Thu Jul 2 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT
FRIDAY...
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY...

* WHAT...Dangerously hot conditions each afternoon with heat index
  values between 110 to 113 expected.

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

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
  evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
  EDT Friday. For the third Extreme Heat Warning, from 10 AM to 8 PM
  EDT Saturday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
132 PM EDT Thu Jul 2 2026

DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ037>040-050-051-
053>057-501-502-505-506-526-527-030300-
/O.UPG.KLWX.XH.A.0002.260704T1400Z-260705T0000Z/
/O.NEW.KLWX.XH.W.0004.260704T1400Z-260705T0000Z/
/O.CON.KLWX.XH.W.0002.000000T0000Z-260703T0000Z/
/O.CON.KLWX.XH.W.0003.260703T1400Z-260704T0000Z/
District of Columbia-Frederick-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-Albemarle-Greene-Madison-Rappahannock-Orange-
Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford-
Spotsylvania-King George-Northern Fauquier-Southern Fauquier-
Western Loudoun-Eastern Loudoun-Northwest Prince William-Central
and Southeast Prince William/Manassas/Manassas Park-
132 PM EDT Thu Jul 2 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT
FRIDAY...
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY...

* WHAT...Dangerously hot conditions each afternoon with heat index
  values between 110 to 113 expected.

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

* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this
  evening. For the second Extreme Heat Warning, from 10 AM to 8 PM
  EDT Friday. For the third Extreme Heat Warning, from 10 AM to 8 PM
  EDT Saturday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

&&

$$

Hazard Report Provided By forecast.weather.gov