Officials throughout much of the South have echoed the same message: The effects from the rare winter storm are not over, and driving remains a hazard.

An extreme cold watch has been issued for southwest Alabama and will be in effect from Sunday night through Monday morning. The counties affected are Choctaw, Washington, Clarke, Wilcox, Monroe, Conecuh, Butler, Crenshaw, Escambia, Covington, Mobile and Baldwin.

Snow and ice had ground road travel at a halt in some places, and at least two people died in Texas. Many school districts had closed throughout a region unaccustomed to snow.

Thousands of U.S. flights have been canceled this week, and stretches of major roads are closed