A low pressure system moves from west to east over the North Island today while a cold south to southwesterly airflow lies over the South Island, spreading over the North Island as the day moves along. A cold southwest front moves northwards over the South Island on Tuesday reaching the lower North Island late afternoon. A ridge brings some settled weather for a time on Wednesday.

Monday

Blue – A frost start this morning about the upper South Island inland.

Showers this afternoon about the upper North island could become heavy then easing by evening.

Risk of a morning fog patch about the Waikato.

White – Overnight a cold southwest change moves onto the lower South Island bringing snow flurries to 400m.

Blue – A tad cool to start the day in the areas marked below, no major frosts.

White – A few morning snow flurries to 400m about North Otago / South Canterbury clear then from midday further snow flurries develop about Southland and Otago down to 400m, clearing overnight. Snow amounts will not be very much but still worth keeping an eye on.