Poor road conditions are possible across Texas and Louisiana during the Monday morning commute, including dark street lights and signals due to the widespread outages.
The Louisiana Department of Transportation and Development has encouraged people to travel only if absolutely necessary. Crews have been salting roadways and warned that closures are possible as snowfall continues.
The snow is expected to move out of Texas into southern Arkansas, through north and central Louisiana, and parts of Mississippi and Alabama through Monday, according to CNN Meteorologist Gene Norman.
Accumulation will vary, but Norman said it will mainly be between one to three inches.
The National Weather Service says a winter storm warning remains in effect until about 6 a.m. local time Monday.
Record snow amounts
The average snowfall for the area is only 1 inch a year and 3 to 4 inches are forecast to fall in this storm, according to Javaheri.
There have only been 11 occasions when accumulations have exceeded 4 inches of snow in a season in 126 years of record keeping, Javaheri added, meaning a weather event like this occurs once every 12 years on average.