North Texans woke up to bone-chilling temperatures and negative wind chills Thursday morning with those conditions expected to last a little while longer. The National Weather Service’s extreme cold warning,

The snow falling across North Texas is dry and fine, so it won't stick on the roads, but be aware of possible black ice. Unfortunately, it isn't snowman making snow. Some of the snow is called lake effect snow, which happens when cold air moves over warm water, picking up the moisture and developing into snow.

An updated extreme cold warning was issued by the NWS Fort Worth TX on Thursday at 3:29 a.m. in effect until 9 a.m. The warning is for Montague, Cooke, Grayson, Fannin, Lamar, Young, Jack, Wise, Denton,