After San Antonio snow, drivers are being warned of possible black ice on the roads. Here's when black ice forms.

Hazardous travel conditions are expected early Tuesday across the San Antonio metro area, but snow and ice will likely melt by the afternoon.

Storm is now developing along the South Texas coast and starting to pump moisture into our region. Reports of light freezing rain, freezing mist and sleet are coming in. These reports will become more numerous through the evening and especially overnight.