Interactive NWS Alert
Radar valid at 509 pm EDT, May 20th 2026

CTZ002>004-MAZ003>007-010>019-026-RIZ001>004-191100-
/O.NEW.KBOX.HT.Y.0001.260519T1500Z-260521T0000Z/
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 Plymouth, Northampton, Foster,
Providence, Warwick, Willimantic, West Greenwich, Springfield,
Amherst, Greenfield, Lowell, Boston, Fitchburg, Union, Barre,
Taunton, Ayer, Worcester, Orange, Putnam, Norwood, Cambridge,
Smithfield, Brockton, Lawrence, Quincy, Milford, Vernon,
Hartford, Framingham, East Greenwich, Windsor Locks, Gloucester,
Foxborough, Coventry, and West Warwick
1257 PM EDT Mon May 18 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 8 PM EDT
WEDNESDAY...
* WHAT...Heat index values up to 96 expected.
* WHERE...Much of Southern New England, except for the eastern
slopes of the Berkshires, the Rhode Island and Massachusetts South
Coast, Cape Cod and the Islands.
* WHEN...From 11 AM Tuesday to 8 PM EDT Wednesday.
* IMPACTS...Hot temperatures, a moderate degree of humidity with
little relief Tuesday night may cause heat illnesses.
* ADDITIONAL DETAILS...This is the first multi-day period of hot
temperatures. Those not yet accustomed to hot temperatures with a
moderate degree of humidity should take appropriate heat-related
precautions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives, neighbors and pets.
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.
&&
iNWS is an experimental service intended for NWS core partners,
including emergency managers, community leaders and other government
agencies only.