A cold southwesterly airflow lies over New Zealand today, unstable for some regions. Southwesterlies continue on Tuesday then northwesterlies develop on Wednesday with a front moving into western regions late afternoon / evening.
Blue – Showers about the upper North Island may be heavy with a risk of hail today, perhaps a chance of lightning / thunder also then easing late afternoon or evening.
A few isolated heavy showers with a chance of hail may spring up about the upper South Island this afternoon also, clearing in the evening.
A few snow flurries about the lower South Island to 500 or perhaps 400m at times.
Blue – A light frost to start the day for inland parts of the North and South Islands.
Purple – West to southwesterly winds are strong about western coastlines during the day.
Rain becoming heavy about some parts of the West Coast (South Island) from afternoon then easing later in the evening. Rain becomes heavy about the western North Island late afternoon / evening then easing overnight. Late afternoon or evening northwesterly winds are brisk to strong in the west and through Cook Strait.
– Please note, the idea behind this update is to focus on the main weather highlights, which is why not all regions are mentioned.
For specific 10 day information for your city, town, rural community or island please see the 1500 forecasts on our homepage!
– Aaron Wilkinson, WeatherWatch.co.nz