Have you ordered your salt or ice melter yet?
How about signing the contract on your snow removal service?
Add more mats by the entrances to asborb more slush and reduce the slip & fall risk?
When it snows during the day, do you have your employees rotate their parking from am and lunch so the plows can clear the lot in sections?
Have you informed your employees which radio station to listen to if you have to announce closings?