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Forecast

These maps show how Thursday’s rain-soaked nor’easter is unfolding

A nor'easter will progress through New England overnight Thursday.Boston Globe

Thursday’s late-season nor’easter is lashing Boston and the rest of the New England coast with cold and heavy windswept rain. In all, Southern New England should see anywhere from 1.5 to 3 inches of rain from this storm system, which could cause some localized flooding. It’s just going to be a miserable, wet and windy day.

The good news is that the rain comes to an end well before the Memorial Day weekend kicks into gear.

Here’s a detailed timeline of how this nor’easter will unfold in our region:

Thursday afternoon

This is the core of the storm. Rain will be steady and at times heavy. The intensity will vary during the afternoon, and you could even hear the rumble of thunder. The wind will be gusty, especially along the coastline, where gusts between 35 and 40 miles per hour could occur. This isn’t strong enough to cause anything other than very isolated power issues.

You should plan on a very wet evening commute.

Temperatures will range between 45 and 50 degrees during the entire afternoon — 20 degrees below average.

Thursday night

As low pressure continues to move northeast and passes Boston, the rain will shut off. There may be a few lingering showers, but after midnight, little additional accumulation of rainfall will occur.

Friday

Clouds will remain the dominant feature, but there could also be a few breaks of sunshine as temperatures rebound to between 55 and 60 in the afternoon. Wind will not be a factor.

These maps break down the storm details:

Rainfall totals as of 2:45 p.m., Thursday.NWS
Up to 6 inches of flooding inundation is possible along low-lying areas along the shores Thursday afternoon and evening.Boston Globe
Rainfall totals may reach above two inches in parts of Southern New England through Friday morning.Boston Globe
Wind gusts are expected to top 33 to 45 miles per hour during Thursday's nor'easter.Boston Globe
Highs on Thursday will only reach the upper 40s in the Boston area.Boston Globe
The nor'aster will be drawing in plenty of moisture form the Atlantic Ocean.Boston Globe
A wind advisory has been issued for coastal New England. Wind gusts of 30 to 50 miles per hour are forecast with this nor'easter.Boston Globe

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