[Weather] [06.19.25] NWS Boston Severe Storms and Heat Today

BOX Operations - NOAA Service Account box.operations at noaa.gov
Thu Jun 19 12:55:26 UTC 2025


Good Morning,

There are no significant changes to the forecast this morning. We are still
expecting very hot and humid conditions today as well as scattered severe
thunderstorms this afternoon. Attached are the one-page briefing, heat
graphics, and experimental timing graphics for the thunderstorms this
afternoon in Boston, Hartford, Worcester, and Providence.

*Severe Thunderstorms:*
The greatest risk for severe storms is between 3 PM and 10 PM, primarily
across interior southern New England. The threat diminishes farther east.
The main hazard continues to be damaging straight-line wind gusts, with
large hail and a brief tornado as secondary threats. Localized torrential
downpours may also result in street flooding, particularly in urban areas.

*Heat and Humidity:*
Heat and humidity will peak during the early to mid-afternoon, with heat
index values in the upper 90s to lower 100s. A Heat Advisory will go into
effect at 11 AM for northern Connecticut, northern Rhode Island, and much
of Massachusetts—excluding the Berkshires, south coast, and Cape/Islands.

This will be the last briefing for this event.

Meteorologists: Emily McMinn and Andrew Loconto

If you have any questions or would like more information, please don't
hesitate to contact us. You can reach us via:
email: box.operations at noaa.gov
phone: 508.622.3280
Slack/NWSChat 2.0 <https://nwschatws.slack.com/> (for approved partners)
social media: Website <http://www.weather.gov/boston> | Facebook
<http://www.facebook.com/NWSBoston> | Twitter
<http://www.twitter.com/NWSBoston>
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