It may be several weeks into spring, but frozen precipitation could fall in parts of northern Illinois and northwest Indiana Wednesday.
According to a notice sent out by the National Weather Service, showers that are developing over the area Wednesday could produce a form of precipitation known as “graupel” as they move through the region.
There are several different types of frozen precipitation, but graupel is distinctive as it forms “soft, small pellets” when water droplets freeze onto a snowflake, according to the National Weather Service…