Tagged: National Weather Service (NWS)

It felt like -51 degrees Fahrenheit in Langdon, N.D., on Monday and brutal wind chills like that are going to continue across northern states as winter really sets in.

Even in the "warmer" places, it's not going to feel like it's much above zero for the next few days. And "lake effect" snows are expected to pile up around the Great Lakes.

(On Wednesday, we weaved new information into the top of this post and in updates below. Thursday, we began a new post about the weather.)

Snow likely won't be the big weather story for much of the nation on Christmas Day, say the forecasters at the National Weather Service and The Weather Channel. But some potentially severe weather is in the forecast.

Tornadoes are possible along the Gulf Coast and in the Southeast. Here's what The Weather Channel says about Tuesday: