"It's called 'black ice' because it tends to look like the rest of the pavement on the road, although in reality, it's actually clear," the US Forest Service notes. "Black ice forms without creating bubbles, which allows it to blend in with any surface it forms over. Black ice is dangerous precisely because it's hard to detect."

We're seeing snow, sleet and ice in Southeast Texas. Check here for updates and resources to keep you and your family safe.

As the winter storm moves across the Houston area, icy roadways are expected to be a problem. Officials with the Texas Department of Transportation could be seen in the area treating roadways ahead of the approaching storm.