A trough of low pressure covers New Zealand with two main centres, one just east of Banks Peninsula and the other further out near the Chatham Islands. Westerlies cover the North Island and southwesterlies flow over the South Island. A narrow anticyclone lies in the western Tasman Sea and extends a ridge of high pressure to the south of the South Island. A weak, stationary front lies over coastal Southland.
Forecast for the Southern Lakes and Central Otago for today is for a little scattered rain and snow above about 600 metres. Light to moderate southerly winds, gradually tending more southeasterly this afternoon. Maximum temperatures recorded yesterday were Queenstown 9.0 degrees. Wanaka 8.8 degrees. Kinloch 7.1 degrees. Arrowtown 8.0 degrees. Forecast upper level winds at 1000 metres southerly 50 kph easing to 30 kph this morning. At 2000 metres southerly 60 kph easing to 45 kph this morning. Freezing level 1100 metres at first, gradually lowering to 900 metres. Forecast maximum temperatures for today for Queenstown and Kingston 10 degrees. For Glenorchy 9 degrees. For Cromwell and Wanaka 11 degrees. For Alexandra 12 degrees.
Tomorrow a mix of cloud and sunny periods with light easterly breezes. Moderate to cool daytime temperatures and frosts at night.
Wednesday and Thursday mostly fine or partly cloudy with light to moderate northerlies developing. Rain developing about the western ranges on Thursday.