It's back to freezing drizzle now, and occasional freezing rain. This happened when the snow got lighter. The same thing that happened yesterday is still happening today: The cold air is just above our heads, and whenever the heavier precip comes in, it pulls down the cold air and we have snow. The lighter precip is falling as freezing rain/drizzle.
This will change this afternoon as the cold air from Canada (not from above) starts to move in. When that happens we will have enough cold at all altitudes to produce snow.
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