890  
FLUS41 KLWX 242009  
HWOLWX  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
409 PM EDT TUE JUN 24 2025  
 
ANZ530>543-DCZ001-MDZ008-011-013-014-016>018-504-506-508-  
VAZ053>057-527-252015-  
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-  
409 PM EDT TUE JUN 24 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  
 
AN EXTREME HEAT WARNING IS IN EFFECT UNTIL 9 PM THIS EVENING.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY  
 
A HEAT ADVISORY IS IN EFFECT FROM 11 AM TO 9 PM WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
 
MDZ003>006-503-505-507-VAZ025>031-036>040-050-051-501-502-505>508-  
526-WVZ050>053-055-252015-  
WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-  
NORTHWEST MONTGOMERY-NORTHWEST HOWARD-NORTHWEST HARFORD-AUGUSTA-  
ROCKINGHAM-SHENANDOAH-FREDERICK VA-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-  
409 PM EDT TUE JUN 24 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN WEST  
VIRGINIA, NORTHERN AND CENTRAL VIRGINIA, AND CENTRAL AND WESTERN  
MARYLAND.  
   
DAY ONE  
TONIGHT  
 
AN EXTREME HEAT WARNING IS IN EFFECT FOR MUCH OF THE AREA UNTIL 9  
PM THIS EVENING. ADDITIONALLY, A HEAT ADVISORY IS IN EFFECT FOR  
THE CENTRAL SHENANDOAH VALLEY AND POTOMAC HIGHLANDS DURING THE  
SAME PERIOD.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY  
 
A HEAT ADVISORY IS IN EFFECT FOR MUCH OF THE AREA FROM 11 AM TO 9  
PM WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
 
MDZ501-502-509-510-VAZ503-504-WVZ501>506-252015-  
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-  
409 PM EDT TUE JUN 24 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ALLEGHENY FRONT  
COUNTIES IN WESTERN MARYLAND, EASTERN WEST VIRGINIA, AND HIGHLAND  
COUNTY VIRGINIA.  
   
DAY ONE  
TONIGHT  
 
A HEAT ADVISORY IS IN EFFECT FOR EASTERN PORTIONS OF PENDLETON,  
GRANT, MINERAL, AND ALLEGANY COUNTIES UNTIL 9 PM THIS EVENING.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY  
 
A HEAT ADVISORY IS IN EFFECT FOR MUCH OF THE LOWER ELEVATIONS FROM  
11 AM TO 9 PM WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
 
DHOF  
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