01:17 Making Snowflakes Any Time of the Year The Weather Channel meteorologist Kelly Cass looks at how you can make a snowflake any season of the year.

At a Glance Most of the Northeast megalopolis will see heavy snow on Thursday.

This will create difficult travel conditions and flight delays.

Snowfall rates of more than an inch per hour are likely.

This will be the first significant snow for the I-95 corridor since early-mid January. Winter Storm Niko has begun hammering the Northeast, including Boston, New York City, and Philadelphia.

This is a developing weather story. Please click here for the latest updates on Winter Storm Niko .

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