Our chilly weather could bring freezing rain and snow to parts of the Hill Country and I-35 corridor, local forecasters say. Why it matters: A polar vortex hauling arctic air from Canada down across the U.

Storm Blair has hit most of the U.S., bringing freezing temperatures to Texas. Precipitation later this week could mean snow for some areas.

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe and Asia. Studies show that a fast-warming Arctic is partly to blame for the increasing frequency of the polar vortex extending its grip.

A polar vortex is bringing freezing temperatures to Texas this week, with a couple of rounds of precipitation that could cause issues on untreated roads.

While not as severe as the 2021 Great Texas Freeze, the upcoming polar vortex will quickly drop temperatures into the 20s and 30s across Texas next week, down into the teens in so

Our first winter storm watch of the season is in effect for Wednesday night through Friday afternoon. Current thinking is that the best chance of accumulating snow will be along our Red River counties and into the northern parts of Wise,

Another winter storm will develop over Texas later this week, bringing potentially historical snowfall and icy conditions to some areas.

Central Texas could see a mix of freezing rain, sleet and snow later this week, according to the National Weather Service, and chances are increasing.

In North Texas, widespread accumulations between 2"-5" are expected. There is potential for areas in western North Texas to see up to 8".