As a slug of arctic air overtakes the eastern two-thirds of the U.S. next week, a storm system could bring snow, sleet and freezing rain to places deep in the heart of Texas, but the forecast isn’t a lock just yet.

NORTH TEXAS – Snow continues to fall across North Texas after a winter storm warning was dropped early Friday morning. Several inches of a wintry mix of sleet and snow were forecast to fall over North Texas between Thursday and Friday. This marks the first winter storm of the season.

Meteorologist Kristen Currie goes in-depth on why winter weather forecasting is so difficult in Texas. Read more:

Arctic air will return to Texas over the weekend, bringing below-freezing temperatures, low wind chills and the chance of wintry precipitation again.

Arctic blast number two will arrive early Saturday morning and it will stay cold through the middle of next week. There is a chance for more wintry precipitation next week.

There is a chance of snow in East Tennessee on Jan. 18 and 19. However, unlike the Jan. 10 snowstorm, little or no snow accumulation is expected this time, according to the National Weather Service. East Tennessee is expected to have bitterly cold temperatures through late January,