A trough of low pressure covers New Zealand with main centre east of Banks Peninsula. Two fronts lie over the upper North Island while a weak cold front lies over the Cook Strait region. Two further fronts lie over Mid Canterbury and Otago while a cold southerly airstream behind the second front is moving onto the lower South Island. A large anticyclone covers southeastern Australia and is extending a broad ridge of high pressure to the south of the South Island. A further cold front with cold southerlies is expected to move onto the lower South Island on Wednesday.
Forecast for the Southern Lakes and Central Otago for today is for overcast skies with showers this morning and a few snow flurries above 800 metres. Fresh southerly winds. Showers clearing this afternoon and southerlies dying away with light frosts likely tonight. Maximum temperatures recorded yesterday were Queenstown 15.7 degrees. Wanaka 16.7 degrees. Kinloch 18.4 degrees. Arrowtown 15.0 degrees. Forecast upper level winds for today at 1000 metres northwest 40 kph changing southerly 50 kph. At 2000 metres northwest 50 kph changing southerly 60 kph. Freezing level 1400 metres, steadily lowering to 800 metres. Forecast maximum temperatures for today for Queenstown and Kingston 13 degrees. For Glenorchy, Wanaka and Cromwell 14 degrees. For Alexandra 15 degrees.
Tomorrow and Tuesday fine and clear after a light morning frosts. Light winds and further frosts each night.
Wednesday becoming cloudy with scattered rain, more widespread and heavy about the western ranges. Strong northwesterlies easing and changing strong southwesterlies.