NZ Ski also operates the Mt Hutt Skifield, due to open for the season on June 8, and the Remarkables Skifield, due to open for the season on June 9.
The news comes after Cardrona Alpine Resort announced yesterday it will have the earliest opening in its history this weekend - but with only some facilities and only for two days.
The skifield has 90cm of fresh snow and general manager Bridget Legnavsky said yesterday it was decided to celebrate the fact by having a "pre-season teaser"
"The snowfall from last week was the latest in a string of storms this year, with large snowfalls on the mountain every month in 2018 except for January," she said.
Depending on the weather, the McDougall's Chondola and the beginners' area would be open between 8.30am and 4pm on Saturday and Sunday.
After the weekend, the resort will resume preparations for the field's official opening on June 16.
That includes builders completing the Base Cafe and Mezz renovations and training over 600 staff due to arrive on June 11.
Cardrona manager from the field's rope tow days in 1981, until 2004, Sean Gilbertson, told the Otago Daily Times yesterday he could not recall an earlier opening.
The Remarkables Ski Field opens on June 9, Coronet Peak on June 16 and Treble Cone on June 28.