Keep the doors closed. That includes the doors to your refrigerator and freezer as well as the doors to your home. Food will stay fresh much longer if you don't keep checking on what the temperature is inside the refrigerator or freezer. Turn off appliances. By turning off your heating and cooling system and major appliances, you will take some load off of the lines when the power is restored.
Lines often go off simply because the load was too great when the power came back on.
Listen for updates. Use your battery-operated radio to listen for updates on the outage situation. We'll keep you informed the best we can on local radio stations.