Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
504 PM EDT Wed Jun 25 2025

ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-
VAZ053>057-527-262115-
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-
504 PM EDT Wed Jun 25 2025

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...Tonight

Isolated to widely scattered thunderstorms later this afternoon
into this evening could necessitate a few Special Marine
Warnings.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A Heat Advisory is in effect from 11 AM to 7 PM Thursday.

Numerous thunderstorms are expected on Thursday afternoon into
Thursday evening. A few thunderstorms could be severe, producing
locally damaging wind gusts and large hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
450 PM EDT Wed Jun 25 2025

DCZ001-MDZ003>006-008-011-013-014-016>018-502>508-VAZ026>031-036>040-
050-051-053>057-501-502-505-506-526-527-WVZ050>053-055-502-504-
260500-
/O.CAN.KLWX.HT.Y.0004.000000T0000Z-250626T0100Z/
/O.CON.KLWX.HT.Y.0005.250626T1500Z-250626T2300Z/
District of Columbia-Washington-Frederick MD-Carroll-Northern
Baltimore-Cecil-Southern Baltimore-Prince Georges-Anne Arundel-
Charles-St. Marys-Calvert-Central and Eastern Allegany-Northwest
Montgomery-Central and Southeast Montgomery-Northwest Howard-
Central and Southeast Howard-Northwest Harford-Southeast Harford-
Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Nelson-
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-Hampshire-Morgan-Berkeley-
Jefferson-Hardy-Eastern Grant-Eastern Mineral-
450 PM EDT Wed Jun 25 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM EDT THURSDAY...
...HEAT ADVISORY IS CANCELLED...

* WHAT...Heat index values up to 107 expected.

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

* WHEN...From 11 AM to 7 PM EDT Thursday.

* 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.

&&

$$

Hazard Report Provided By forecast.weather.gov