516
WWUS71 KLWX 051345
NPWLWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
945 AM EDT SUN JUL 5 2026
DCZ001-MDZ008-011-013-014-016>018-504-506-508-VAZ037>039-050-051-
053>057-502-527-060000-
/O.CON.KLWX.HT.Y.0008.260705T1400Z-260706T0000Z/
DISTRICT OF COLUMBIA-CECIL-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE
ARUNDEL-CHARLES-ST. MARYS-CALVERT-CENTRAL AND SOUTHEAST
MONTGOMERY-CENTRAL AND SOUTHEAST HOWARD-SOUTHEAST HARFORD-
ALBEMARLE-GREENE-MADISON-ORANGE-CULPEPER-FAIRFAX-ARLINGTON/FALLS
CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-KING GEORGE-SOUTHERN
FAUQUIER-CENTRAL AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS
PARK-
945 AM EDT SUN JUL 5 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
* WHAT...HEAT INDEX VALUES OF 105 TO 109.
* WHERE...WASHINGTON DC, AND PORTIONS OF CENTRAL, NORTHEAST,
NORTHERN, AND SOUTHERN MARYLAND, AND CENTRAL, NORTHERN, AND
NORTHWEST VIRGINIA.
* WHEN...UNTIL 8 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.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
DHOF
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