Alabama’s Severe Weather Preparedness Sales Tax Holiday begins at 12:01 a.m. Friday, February 23, and ends at midnight, Sunday, February 25, allowing Alabama shoppers to stock up tax-free on common supplies costing less than $60 that every home and business needs to prepare for a natural disaster or even a general emergency. Generators costing $1,000 or less also can be purchased free of the state’s 4% sales tax during the three-day tax holiday. Click HERE to view the list of covered items.