Check out this article from The Balance regarding how to prevent your pipes from freezing this winter.
They provide 6 detailed tips on how to stop frozen pipes this winter:
1) Keep the Heat On
2) Allow Faucet to Drip
3) Keep Interior Doors Open
4) Seal Up Cracks and Holes
5) Apply Heating Tape
6) Add Extra Insulation
You can find the full article with more information here.