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Boston Weather: 40.0°F | Mostly Cloudy

Weather: Windex Event

By Brian H. Tang
STAFF METEOROLOGIST -- Depending on where you were Sunday morning, you didn't see any snow, you saw a quick but intense burst of snow, or you were sleeping in like me and woke up to find sunny skies. What happened Sunday morning is termed a windex event, which is just a fancy name for an isolated snow squall. In case you're wondering, 'windex' stands for winter instability index and is used to quantify the probability of snow squalls. The index was quite high Sunday morning, and some areas right along the coast got a quick few inches of snow in less than an hour. Mother Nature did not share her love with the MIT campus, however.

No windex events today, but we may see some toward the end of the week as cold air moves down from Canada. In the meantime, a storm originating from the Southwest, where a copious amount of rain fell Friday and Saturday, will move through our area by late morning. After a good dousing of rain, we will be left with a rather pleasant day. Our respite will be short, as the next system, slated for late Wednesday, will lead to much colder temperatures and yes, even a chance of a windex event or two.

Extended Forecast:

Today: Rain ending early in the morning, then partly cloudy.

Southerly breeze. High 50°F (10°C).

Tonight: Partly cloudy. Low 39°F (4°C).

Wednesday: Increasing clouds leading to rain late in the day.

High 48°F (9°C).

Wednesday night: Rain changing to snow; colder. Low 29°F (-2°C).

Thursday: Partly cloudy and colder. High 35°F (2°C).