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A messy end to the week on LI

Clouds and precipitation have replaced the sunny, dry weather of the past several days ... including a chance of a few snowflakes.

Any flakes that could fall very early Thursday will likely be changing to all rain by the midmorning hours. On-and-off rain for the rest of the afternoon will hamper any Long Islanders heading out to Opening Day at Yankee Stadium.

Highs will be generally in the lower 40s, with a chilly breeze out of the east.

By Thursday evening, any precipitation will start as rain, but a few snowflakes could appear Friday morning as colder air hits the area. A mix of rain and snow in the morning should change back over to all rain by the afternoon. No major accumulation is expected, and rainfall amounts could range from half an inch to near an inch. This system is a difficult one to track, so be sure to check back for tomorrow's post for more details.

The weekend, albeit a little breezy, is looking nice with sun and highs back to near 50.

Record Highs and Lows for March 31:

* 74 (1986), 21 (1964) at Kennedy
* 73 (1999), 28 (1996) at MacArthur
* 73 (1999), 30 (2003) at Republic
* 70 (1999), 19 (2008) at Gabreski

Source: National Weather Service

This Day in Weather History:

1987 - March went out like a lion in the northeastern United States. A slow-moving storm produced heavy snow in the lower Great Lakes region, and heavy rain in New England. Heavy rain and melting snow caused catastrophic flooding along rivers and streams in Maine and New Hampshire. Strong southerly winds ahead of the storm gusted to 62 mph in New York City, and reached 87 mph in Milton, Mass.

Source: The daily weather facts are compiled by Hugh Crowther of the Aviation Weather Center. Crowther is a weather historian and has collected and organized weather facts for every day of the year.

FUN FACT: No two snowflakes are ever alike.

Geoffrey Bansen is a recent graduate of Stony Brook University, with a degree in Atmospheric Science/Meteorology.

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