(CNN) -- It's time to layer up, again. Parts of the United States, including coastal areas of the Deep South, are going to see freezing temperatures and even a chance of snow this week. As the white stuff covers the landscape, it's hard to imagine the millions of tiny, intricate flakes that make it up. Above is a collection of extreme close-up snowflake photos from this winter season. Add your own snowflake photos by uploading them to iReport. We'll add some of the best to the gallery.
Temperatures are plummeting across the Deep South . Chicago is expected to see temperatures dip down to -5 degrees . iReporters share their views of winter with creative snowflake photos .