Full Breakdown
Heavy Rain and Flash Flooding Sweep New England on Monday
8/4/2026, 12:36:40 AM
Core Event
A cold front and tropical moisture surged across southern New England on Monday, delivering intense rain, gusty winds and isolated thunderstorms. The National Weather Service (NWS) issued flash-flood warnings for multiple Massachusetts counties and a severe thunderstorm warning for northern New Hampshire. Rainfall rates of 1–2 inches per hour were reported, with localized totals reaching 5 inches in some communities.
Data & Statistics
- Measured accumulations through the afternoon: Nashua, N.H. 5.83 in.; Belchertown, Mass. 4.92 in.; Westminster, Mass. 4.90 in.; Windsor Locks, Conn. 4.79 in.; Quaker Hill, Conn. 4.71 in.; Chicopee, Conn. 4.44 in.; Chicopee, Mass. 4.38 in.; Coventry, R.I. 4.15 in.; North Dighton, Mass. 3.47 in.; West Bridgewater, Mass. 2.50 in.
- Wind gusts of 20–35 mph were observed, with gusts over 30 mph reported by CBS and up to 32 mph in Boston by the NWS.
Official Statements & Responses
Meteorologist Frank Nocera highlighted the potential for heavy rain after the morning commute and warned of possible rough surf along the south coast.
On-the-Ground Reports
Flash-flood conditions forced multiple road closures:
- Merriam Avenue at the Route 2 interchange in Leominster and Fitchburg was shut for about an hour (Massachusetts Department of Transportation).
- Electric Avenue in Lunenburg, Mass. closed after flooding (Lunenburg Police).
- Route 5 between the North End Bridge and Memorial Bridge in West Springfield was impassable due to two feet of water.
- Underpasses on Wilbraham Street (Palmer) and South Street in Belchertown were reported washed out.
- Basement flooding was documented at 52 Horace St. (Springfield) and 291 Elm St. and 1095 Westfield St. (West Springfield).
Background & Context
The region entered the week with high dew points in the 70s, creating a “tropical-like” atmosphere. Earlier in July, Boston experienced three rain events that each delivered more than an inch, ending a four-month dry spell. The current front combined upper-level energy with abundant moisture, producing the season’s heaviest downpours.
Conflicting Reports & Gaps
Rainfall totals differ among outlets: the Boston Globe lists several locations with 4–5 inches, NBC Boston reports most areas receiving 0.75–2 inches, and CBS cites a maximum of 4 inches in isolated spots. No single source provides a comprehensive, region-wide measurement, leaving the exact highest accumulation uncertain.
Verbatim Quotes
- “Later in the day, we’ll be watching some strong thunderstorms that may develop over the Berkshires,” — Frank Nocera, Boston Herald
- “Then fortunately Tuesday looks really nice,” — Frank Nocera, Boston Herald
What’s Next
The front is expected to exit early Tuesday, allowing high pressure to bring mostly sunny skies and low to mid-80 °F temperatures across Greater Boston and the surrounding region. Dew points should fall back into the 50s, making conditions more comfortable. The NWS forecasts scattered showers and thunderstorms from Wednesday through the weekend, with heat indices climbing into the mid-90s.
