Alert archive / Massachusetts / 2026
Weather alerts in Massachusetts, May 2026
31 weather alerts in May 2026, 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 2026. Tap one for its archive.
- Alerts
- 31
- Warnings
- 15
- Watches
- 1
- Advisories
- 14
- Busiest day
- May 19, 20268 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 2, 2:34 AM EDT | Small Craft Advisory | BOX | 5 days | |
| May 4, 7:04 AM EDT | Gale Warning | BOX | 12 hr | |
| May 4, 11:43 AM EDT | Wind Advisory | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 1 more | 30 hr |
| May 4, 1:03 PM EDT | Gale Warning | BOX | 29 hr | |
| May 8, 1:42 PM EDT | Small Craft Advisory | BOX | 36 hr | |
| May 10, 1:39 PM EDT | Small Craft Advisory | BOX | 24 hr | |
| May 11, 1:06 PM EDT | Frost Advisory | ALY | Berkshire | 19 hr |
| May 12, 2:41 PM EDT | Small Craft Advisory | BOX | 32 hr | |
| May 14, 2:39 PM EDT | Small Craft Advisory | BOX | 3 days | |
| May 17, 12:50 AM EDT | Small Craft Advisory | BOX | 4 hr | |
| May 18, 12:57 PM EDT | Heat Advisory | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 54 hr |
| May 18, 3:16 PM EDT | Small Craft Advisory | BOX | 59 hr | |
| May 19, 3:23 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more | 67 min |
| May 19, 5:02 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 39 min |
| May 19, 5:15 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 60 min |
| May 19, 5:47 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 30 min |
| May 19, 5:51 PM EDT | Special Marine Warning | BOX | 54 min | |
| May 19, 5:51 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 26 min |
| May 19, 6:05 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Plymouth, Suffolk | 27 min |
| May 19, 6:25 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 29 min |
| May 22, 1:50 PM EDT | Small Craft Advisory | BOX | 4 days | |
| May 28, 2:40 AM EDT | Gale Watch | BOX | 12 hr | |
| May 28, 2:26 PM EDT | Gale Warning | BOX | 54 hr | |
| May 29, 3:59 AM EDT | Wind Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more | 40 hr |
| May 29, 2:02 PM EDT | High Wind Warning | BOX | Barnstable, Nantucket | 30 hr |
| May 29, 2:06 PM EDT | Storm Warning | BOX | 30 hr | |
| May 30, 12:07 AM EDT | Special Marine Warning | BOX | 53 min | |
| May 30, 12:58 AM EDT | Special Marine Warning | BOX | 26 min | |
| May 30, 4:53 PM EDT | Small Craft Advisory | BOX | 3 hr | |
| May 30, 8:02 PM EDT | Gale Warning | BOX | 3 hr | |
| May 30, 8:02 PM EDT | Small Craft Advisory | BOX | 35 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 | 6 |
| Mesoscale Discussion | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 2 |
| Marine | |
| Gale Warning | 4 |
| Special Marine Warning | 3 |
| Storm Warning | 1 |
| 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
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.