Alert archive / Massachusetts / Flash Flood Warnings

Flash Flood Warnings in Massachusetts, 2025

19 flash flood warnings in 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

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

Flash Flood Warnings
19
Busiest month
July9 flash flood warnings
Busiest day
July 14, 20254 flash flood warnings

Over time

By month

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.

IssuedProductOfficeCountiesLasted
May 8, 7:11 PM EDTFlash Flood WarningBOXHampshire, Worcester2 hr
Jun 6, 3:25 PM EDTFlash Flood WarningBOXFranklin, Hampshire3 hr
Jun 6, 5:05 PM EDTFlash Flood WarningBOXFranklin, Hampshire, Worcester114 min
Jun 6, 6:31 PM EDTFlash Flood WarningBOXHampden, Hampshire83 min
Jun 7, 2:41 PM EDTFlash Flood WarningBOXMiddlesex3 hr
Jul 9, 12:44 AM EDTFlash Flood WarningBOXBristol, Plymouth98 min
Jul 10, 6:01 AM EDTFlash Flood WarningBOXBristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester3 hr
Jul 10, 8:15 AM EDTFlash Flood Warning Considerable damage threatBOXNorfolk, Plymouth, Suffolk3 hr
Jul 11, 5:46 PM EDTFlash Flood WarningBOXFranklin, Hampshire2 hr
Jul 12, 1:17 PM EDTFlash Flood WarningBOXFranklin, Hampshire2 hr
Jul 14, 3:00 PM EDTFlash Flood WarningBOXFranklin, Hampshire3 hr
Jul 14, 5:55 PM EDTFlash Flood WarningBOXHampden, Hampshire3 hr
Jul 14, 6:01 PM EDTFlash Flood WarningALYBerkshire3 hr
Jul 14, 6:04 PM EDTFlash Flood WarningALYBerkshire3 hr
Aug 13, 5:03 PM EDTFlash Flood WarningBOXHampden85 min
Aug 13, 6:58 PM EDTFlash Flood WarningBOXEssex, Middlesex97 min
Sep 25, 7:44 AM EDTFlash Flood WarningBOXBristol6 hr
Sep 25, 8:32 AM EDTFlash Flood WarningBOXBristol, Plymouth5 hr
Sep 25, 9:22 AM EDTFlash Flood WarningBOXBristol, Plymouth3 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 14, 20254flash flood warnings
  2. June 6, 20253flash flood warnings
  3. September 25, 20253flash flood warnings
  4. July 10, 20252flash flood warnings
  5. August 13, 20252flash flood warnings
  6. May 8, 20251flash flood warnings
  7. June 7, 20251flash flood warnings
  8. July 9, 20251flash flood warnings
  9. July 11, 20251flash flood warnings
  10. July 12, 20251flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.