Per Pub 521: Storage expenses. You can include the cost of storing and insuring household goods and personal effects within any period of 30 consecutive days after the day your things are moved from your former home and before they are delivered to your new home. If you are deducting moving expenses, it would be included with the other expenses.
https://www.irs.gov/publications/p521/ar02.html#en_US_2016_publink1000203501
