Check with your utility company to see if they have a program and dont hesitate to take advantage of it since it will mean lower utility bills in the long run. Dry ice for refrigeration needs. Glow in the dark tubes, strips, and signs. Generator and fuel. Backup battery for computer equipment.
Check monitors on temperature sensitive equipment.
Check home security systems if you have one. Restock emergency supplies. A stop to get fuel. For emergencies with flashlights and batteries. At all intersections if traffic signals are out then drive slowly.