Weather alerts in Massachusetts, May 2025

61 weather alerts in May 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in May 2025. Tap one for its archive.

Alerts: 61
Warnings: 30
Watches: 9
Advisories: 17
Busiest day: May 3, 202518 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
May 1, 2:46 PM EDT	Small Craft Advisory	BOX		14 hr
May 2, 3:18 PM EDT	Small Craft Advisory	BOX		40 hr
May 3, 12:14 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	2 hr
May 3, 1:07 PM EDT	Severe Thunderstorm Watch	SPC	Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester	5 hr
May 3, 1:27 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	63 min
May 3, 1:57 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	48 min
May 3, 2:31 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	59 min
May 3, 2:35 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	40 min
May 3, 2:43 PM EDT	Special Weather Statement	ALY	Berkshire	32 min
May 3, 3:06 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	39 min
May 3, 3:21 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	54 min
May 3, 3:32 PM EDT	Mesoscale Discussion	SPC	Hampden, Middlesex, Norfolk, Suffolk, Worcester	88 min
May 3, 3:56 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	49 min
May 3, 4:07 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	38 min
May 3, 4:40 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Worcester	50 min
May 3, 4:41 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	49 min
May 3, 5:06 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Suffolk, Worcester	39 min
May 3, 5:43 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Suffolk	47 min
May 3, 5:46 PM EDT	Special Marine Warning	BOX		59 min
May 3, 6:33 PM EDT	Special Marine Warning	BOX		42 min
May 5, 1:00 PM EDT	Flood Watch	ALY	Berkshire	37 hr
May 5, 2:01 PM EDT	Flood Watch	BOX	Franklin, Hampden, Hampshire, Worcester	27 hr
May 6, 3:06 AM EDT	Small Craft Advisory	BOX		35 hr
May 8, 2:58 AM EDT	Flood Watch	ALY	Berkshire	53 hr
May 8, 3:53 AM EDT	Flood Watch	BOX	Franklin, Hampden, Hampshire, Middlesex, Worcester	48 hr
May 8, 12:10 PM EDT	Small Craft Advisory	BOX		59 hr
May 8, 6:30 PM EDT	Severe Thunderstorm Warning	BOX	Hampshire, Worcester	45 min
May 8, 7:11 PM EDT	Flash Flood Warning	BOX	Hampshire, Worcester	2 hr
May 10, 3:47 AM EDT	River Flood Watch	BOX	Middlesex, Worcester	40 hr
May 10, 5:28 AM EDT	River Flood Watch	BOX	Hampden, Hampshire	40 hr
May 10, 5:28 AM EDT	River Flood Watch	BOX	Hampden	45 hr
May 10, 12:04 PM EDT	River Flood Warning	BOX	Hampden, Hampshire	40 hr
May 10, 12:04 PM EDT	River Flood Warning	BOX	Middlesex, Worcester	46 hr
May 10, 12:04 PM EDT	River Flood Warning	BOX	Hampden	46 hr
May 10, 12:04 PM EDT	River Flood Warning	BOX	Essex, Middlesex	31 hr
May 11, 2:23 PM EDT	Frost Advisory	BOX	Franklin, Hampshire	16 hr
May 11, 2:30 PM EDT	Frost Advisory	ALY	Berkshire	16 hr
May 12, 12:30 PM EDT	Small Craft Advisory	BOX		9 hr
May 13, 2:06 PM EDT	Small Craft Advisory	BOX		59 hr
May 15, 5:53 PM EDT	Areal Flood Advisory	ALY	Berkshire	2 hr
May 17, 2:06 AM EDT	Small Craft Advisory	BOX		4 days
May 17, 4:36 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin	114 min
May 17, 5:51 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	39 min
May 17, 5:52 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	68 min
May 17, 6:16 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	44 min
May 17, 6:20 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire	40 min
May 17, 6:59 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire	42 min
May 20, 2:30 PM EDT	Gale Watch	BOX		24 hr
May 21, 3:38 AM EDT	Gale Warning	BOX		52 hr
May 21, 1:27 PM EDT	Wind Advisory	BOX	Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more	34 hr
May 21, 2:00 PM EDT	Coastal Flood Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more	33 hr
May 22, 11:18 PM EDT	Areal Flood Warning	BOX	Plymouth	3 hr
May 23, 3:27 AM EDT	Small Craft Advisory	BOX		47 hr
May 23, 6:22 AM EDT	Areal Flood Warning	BOX	Norfolk, Plymouth	12 hr
May 23, 9:13 PM EDT	River Flood Warning	BOX	Bristol, Plymouth	55 hr
May 28, 2:09 AM EDT	Small Craft Advisory	BOX		48 hr
May 30, 2:30 AM EDT	Small Craft Advisory	BOX		69 hr
May 31, 2:37 AM EDT	Gale Warning	BOX		19 hr
May 31, 11:18 AM EDT	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	10 hr
May 31, 2:34 PM EDT	Rip Current Statement	BOX	Dukes, Nantucket	28 hr
May 31, 3:47 PM EDT	Areal Flood Advisory	ALY	Berkshire	3 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	18
Severe Thunderstorm Watch	1
Mesoscale Discussion	3
Special Weather Statement	1
Flooding
Areal Flood Warning	2
Flash Flood Warning	1
River Flood Warning	5
Flood Watch	4
River Flood Watch	3
Areal Flood Advisory	2
Cold
Frost Advisory	2
Wind and dust
Wind Advisory	2
Coast and beach
Coastal Flood Advisory	1
Rip Current Statement	1
Marine
Gale Warning	2
Special Marine Warning	2
Gale Watch	1
Small Craft Advisory	10

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2024 2026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.