Forecasters said frost and freezing temperatures could damage exposed outdoor pipes and kill crops and other sensitive plants ...
The National Weather Service (NWS) has issued a Freeze Warning for parts of South Texas, including Webb County.
The NWS has issued the warnings as a powerful polar vortex continues to make temperatures plunge nationwide this week.
Residents are urged to take precautions for temperatures expected to dip to around 30 degrees early Thursday morning.