With the recent freezing temperatures, make sure you stay proactive.
Some things to do to help avoid having your pipes freeze:
Keep your heat up.
Open your cabinets to let heat get to pipes.
Make sure your pipes are wrapped or insulated properly.
Leave your faucets dripping.
If you do have to leave town, drain your pipes.
Keep the garage doors closed.
Lastly, know where to turn off the water if disaster strikes.