480
WWUS71 KBOX 301725
NPWBOX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
125 PM EDT TUE JUN 30 2026
MAZ002-008-009-020-021-RIZ005>007-010930-
/O.UPG.KBOX.XH.A.0001.260701T1400Z-260705T0000Z/
/O.EXA.KBOX.XH.W.0001.260701T1400Z-260705T0000Z/
WESTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BRISTOL RI-WASHINGTON RI-
NEWPORT RI-
INCLUDING THE CITIES OF MATTAPOISETT, CHESTERFIELD, WESTERLY,
CHARLEMONT, FALL RIVER, BLANDFORD, NEW BEDFORD, NARRAGANSETT,
BRISTOL, AND NEWPORT
125 PM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 107
EXPECTED.
* WHERE...IN MASSACHUSETTS, SOUTHERN BRISTOL, SOUTHERN PLYMOUTH,
WESTERN FRANKLIN, WESTERN HAMPDEN, AND WESTERN HAMPSHIRE COUNTIES.
IN RHODE ISLAND, BRISTOL, NEWPORT, AND WASHINGTON COUNTIES, EXCEPT
FOR BLOCK ISLAND.
* WHEN...FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
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.
CTZ002>004-MAZ003>007-010>019-026-RIZ001>004-010930-
/O.CON.KBOX.XH.W.0001.260701T1400Z-260705T0000Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-EASTERN FRANKLIN MA-NORTHERN
WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX
MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN
NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN
PLYMOUTH MA-NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
INCLUDING THE CITIES OF PUTNAM, EAST GREENWICH, NORTHAMPTON,
MILFORD, AYER, FOSTER, PLYMOUTH, QUINCY, WILLIMANTIC, NORWOOD,
FOXBOROUGH, BARRE, TAUNTON, CAMBRIDGE, WARWICK, WEST WARWICK,
GREENFIELD, WINDSOR LOCKS, LOWELL, VERNON, LAWRENCE, WEST
GREENWICH, BOSTON, HARTFORD, SMITHFIELD, SPRINGFIELD, PROVIDENCE,
GLOUCESTER, FITCHBURG, AMHERST, BROCKTON, UNION, ORANGE,
WORCESTER, COVENTRY, AND FRAMINGHAM
125 PM EDT TUE JUN 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8
PM EDT SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 112
EXPECTED.
* WHERE...PORTIONS OF NORTHERN CONNECTICUT, ALL OF MASSACHUSETTS
EAST OF THE CONNECTICUT RIVER, EXCEPT FOR THE SOUTH COAST AND
NORTHERN RHODE ISLAND.
* WHEN...FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
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.
MAZ022-023-010930-
/O.NEW.KBOX.HT.Y.0003.260701T1400Z-260705T0000Z/
BARNSTABLE MA-DUKES MA-
INCLUDING THE CITIES OF VINEYARD HAVEN, PROVINCETOWN, CHATHAM,
AND FALMOUTH
125 PM EDT TUE JUN 30 2026
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM EDT
SATURDAY...
* WHAT...HEAT INDEX VALUES UP TO 104 EXPECTED.
* WHERE...BARNSTABLE AND DUKES COUNTIES.
* WHEN...FROM 10 AM WEDNESDAY TO 8 PM EDT SATURDAY.
* 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.
VISIT US AT HTTP://WWW.WEATHER.GOV/BOX
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