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InfoGraphic: The Big Picture on Monday

A strong northwesterly airflow lies over New Zealand on Monday, within this flow a front moves northwards over the South Island during the day reaching the lower North Island overnight.

For western parts of the North Island expect mostly cloudy skies with the odd light shower, overnight rain moves into Taranaki with heavy falls possible. Winds rise overnight becoming strong from the northwest about coastal areas. Northland has a mix of sun and cloud during the day and Auckland may catch some sun at times before clouding up later on.

The east coast has a mainly sunny day with increasing high cloud, northwesterly winds and warm afternoon temperatures reaching into the mid 20’s, perhaps even a bit higher in some spots.

Heavy rain for the South Island’s West Coast eases from the south afternoon onwards. Strong northwesterlies in the east with thick high cloud, winds may gust to gale at times about inland parts of the eastern South Island then easing from afternoon. Strong to gale northwesterlies pump through Cook Strait for much of the day.

Southland and Otago see any early spots of rain clear then mostly sunny however from midday a shower or two may move into Southland at times.

Blue – Heavy form of precipitation or cold temperatures, typically below 1 to 2 degrees celsius.
White – Snow
Purple – Strong winds.
Yellow – Temperatures around the mid 20 degree mark or over.

Not all regions and towns have been mentioned above. For specific 10 day information for your city, town, rural community or island please see the 1500 forecasts on our homepage!

– Aaron Wilkinson,


Carl on 24/09/2017 1:13pm

It is 2.09 am and I have noticed a lot of light flashes above the clouds here in Auckland. No thunder heard. Lightening tracker shows a lot of lighting on the West coast of the South Island. Is it posible that I am seeing this lighting weather here in Auckland? Curious.

WW Forecast Team on 24/09/2017 3:39pm

Hi there

Yes there is certainly plenty of lightning along the West Coast. I’ve seen flashes in the sky from storms that are a fair way away but I’m not sure if you could see them that far out?? Someone else might have to chip in there. But yes you will hear no thunder, thunder only travels for a maximum of about 16 to 20km where as flashes can be seen much further away. I’ve seen lightning up to 150-200km away at night before, flashes in the sky…..


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