926  
WWUS71 KLWX 261437  
NPWLWX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1037 AM EDT THU JUN 26 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-  
262245-  
/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-  
1037 AM EDT THU JUN 26 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING  
 
* WHAT...FOR THE HEAT ADVISORY, HEAT INDEX VALUES UP TO 107 EXPECTED  
EAST OF THE BLUE RIDGE, AND UP TO 103 WEST OF THE BLUE RIDGE.  
 
* 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...UNTIL 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.  
 
 
 
 
 
CJL  
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