Dramatic shift in temperatures will impact San Antonio weather and throughout Texas. Snow, wintry mix chances remain as sub-freezing temperatures are predicted.

An arctic front is expected to pass through the Houston area, ushering in the coldest air of the season for the beginning of next week.

The last of four consecutive supermoons occurs Monday night. The moon is almost 30% brighter than normal and slightly larger. It also crosses the night sky almost directly overhead, the highest angle of any moon during the year.