A late-season nor’easter will lash Boston and the rest of the New England coast with cold, windswept rain on Thursday, but the heaviest rain will arrive in the afternoon.

In all, Southern New England should see about 1 to 2 inches of rain from this storm system, which could cause some localized flooding of rivers and streams, and some ponding on streets. 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:

Clouds will thicken across New England, but the rain will hold off until the wee hours of Thursday morning.

The morning commute on Thursday will likely have wet roads and a few showers, but the heaviest rain will be hours away. The wind will be increasing through the morning and become a bit gusty at times, but nothing extreme. By the tail end of this window, the rain will become heavier.

It will also be an unusually cold May day. Temperatures will start out in the mid-40s.

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.

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.

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:

Thursday's nor'easter will bring windswept rain across New England, with some snow in higher elevations.Boston Globe

Southern New England is forecast to get 1 to 2 inches of rain from this late-season nor'easter.Boston Globe

Wind gusts are expected to top 33 to 45 miles per hour during Thursday's nor'easter.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

This map shows a decent amount of atmospheric moisture form and strengthen in the Northeast.Pivotal Weather

Forecast high temperatures won't reach much beyond the upper 40s and 50 degrees, making for an unusually cold May day.Boston Globe

The nor'aster will be drawing in plenty of moisture form the Atlantic Ocean.Boston Globe

Rainfall totals from overnight Wednesday through Friday morning.Boston Globe

The 7-day weather outlook for the Boston area.Boston Globe

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