FLUS41 KLWX 181324

HWOLWX



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.



$$



MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-

526-WVZ050>053-055-191330-

Washington-Frederick-Carroll-Northern Baltimore-

Northwest Montgomery-Northwest Howard-Northwest Harford-Augusta-

Rockingham-Shenandoah-Page-Warren-Clarke-Nelson-Albemarle-Greene-

Madison-Rappahannock-Orange-Culpeper-Northern Fauquier-

Southern Fauquier-Western Loudoun-Eastern Loudoun-

Northern Virginia Blue Ridge-Central Virginia Blue Ridge-

Northwest Prince William-Hampshire-Morgan-Berkeley-Jefferson-

Hardy-

924 AM EDT Sat Jul 18 2026



This Hazardous Weather Outlook is for portions of eastern West

Virginia, northern and central Virginia, and central and western

Maryland.



.DAY ONE...Today and Tonight



Multiple rounds of showers and thunderstorms are expected through

this evening. Some thunderstorms may become severe, especially 

this afternoon and early 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, mainly near and north

of the Potomac River. 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.



$$



MDZ501-502-509-510-VAZ503-504-WVZ501>506-191330-

Extreme Western Allegany-Central and Eastern Allegany-

Western Garrett-Eastern Garrett-Western Highland-Eastern Highland-

Western Grant-Eastern Grant-Western Mineral-Eastern Mineral-

Western Pendleton-Eastern Pendleton-

924 AM EDT Sat Jul 18 2026



This Hazardous Weather Outlook is for the Allegheny Front

counties in western Maryland, eastern West Virginia, and Highland

County Virginia.



.DAY ONE...Today and Tonight



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. In addition, very heavy rain could result in

isolated flash flooding. A Flood Watch is in effect for western

MD and Mineral County WV through tonight.



.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.



$$



DHOF