It was a cold start to the day for most of Otago. Nearby Wanaka dropped to -1degC. Alexandra was -4degC at 6am and Queenstown was not far behind with a low of -3degC.
The MetService is forecasting an unsettled period for the next few days, as a trough makes its way across the Tasman Sea.
Mist forms on lakes and ponds when warmer air above the water mixes with and is rapidly cooled by colder air.