Thunderstorms are causing flash flooding around the Boston area this Sunday morning, and the concern will remain high for new incidents as this holiday weekend progresses.
Boston's southern suburbs are bearing the brunt of the heavy thunderstorms, while the city's far northwestern suburbs such as Lexington remained dry to start the day.
Flash flooding has already forced officials to temporarily close both lanes of Route 128/Interstate 95 at Exit 19, near Needham, according to the Massachusetts Department of Transportation.
Three cars became stuck in flood waters in the suburb of Wellesley.
Low-lying and poor drainage areas, as well as places near streams and creeks, are most susceptible to flash flooding.
Even where flooding does not ensue, motorists will encounter reduced visibility and a heightened risk of vehicles hydroplaning at highway speeds. This includes those planning to travel on Interstates 93 and 95.
Those who want to brave the rain should still seek shelter due to the accompany lightning. Isolated incidents of strong winds and small hail cannot be ruled out.
An end to the flash flood threat in the Boston area will not come with the departure of Sunday morning's thunderstorms.
Drenching showers and thunderstorms will continue to occasionally move through the area as the remainder of this Labor Day weekend progresses.
In addition to low-lying and poor drainage areas, places where the ground was saturated from thunderstorms earlier this holiday weekend are at greatest risk of enduring flash flooding.
Periods of rain and thunderstorms will follow for Tuesday before drier and less humid air arrives on Wednesday.
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Severe thunderstorms caused significant damage from the central Plains through the mid-Mississippi and Tennessee River valleys during the start of Memorial Day weekend.
Powerful thunderstorms will continue to cause significant damage as they plow across the central United States into early Sunday morning.
On the heels of Saturday's outbreak, the risk of damaging thunderstorms will continue through the Memorial Day weekend with communities from Ohio to Texas being threatened on Sunday.
An outbreak of severe weather will continue to threaten lives and property across the central United States into Saturday night.
The warmest days so far this year across the United Kingdom have been replaced with rainy spells and thunderstorms this spring bank holiday weekend.
While it will not rain the entire time in the northeastern US this Memorial Day weekend, people with outdoor plans should be prepared to dodge showers and thunderstorms.
Many communities in Germany will experience their warmest days so far this year on Sunday and Monday as summerlike warmth surges back.
Another bout of summerlike air will surge across the northwestern United States through Monday, before temperatures begin to tumble.