Massachusetts, Rhode Island Severe Extreme Heat Watch | Effective 06/29/2026 22:38

Headline: 
Extreme Heat Watch issued June 30 at 1:38AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
June 29, 2026 - 10:38pm
Expires: 
June 30, 2026 - 11:45am
Description: 
* WHAT...Dangerously hot conditions with heat index values between 95 and 108 degrees. The worst of this heat is expected to be Thursday and Friday...but regardless this will be a prolonged and dangerous heatwave. * WHERE...The Berkshires as well as the south coasts of both Massachusetts and Rhode Island excluding the Cape and Islands. * WHEN...From Wednesday morning through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...This will be a prolonged and dangerous heatwave!
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates.
Area Description: 
Western Franklin; Western Hampshire; Western Hampden; Southern Bristol; Southern Plymouth; Bristol; Washington; Newport
Forcast Office: 
NWS Boston/Norton MA