\u2014 MetService NZ (@MetService) January 2, 2026<\/a><\/p>\n Hawke\u2019s Bay north of Napier is already under a heavy rain warning, with 90mm to 140mm expected, especially in the ranges, and 170mm possible in Wairoa District, MetService said.<\/p>\n The 18-hour warning ends at 3am tomorrow but heavy rain was expected to ease south of the Wairoa District late tonight.<\/p>\n \u201cPeak rates of 15 to 25mm\/h, but 25 to 40mm\/h in possible localised downpours. Thunderstorms expected today \u2026 will increase the risk of downpours.\u201d<\/p>\n A 22-hour heavy rain warning for Gisborne\/Tair\u0101whiti begins at noon today with 110 to 170mm of rain forecast, especially in the ranges, MetService said.<\/p>\n Peak rates of 15mm to 25mm\/h were also expected, increasing to 25 to 40mm\/h in possible localised downpours through to early tomorrow morning, and thunderstorms were also possible.<\/p>\n \u201cStreams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible,\u201d MetService said of all areas under heavy rainfall warnings.<\/p>\n Northland and Auckland were also affected by thunderstorms that crossed the top of the country yesterday afternoon, with a Grey Lynn villa and a Mangawhai home catching fire after being struck by lightning<\/a>.<\/p>\n Firefighters put both fires out, along with a tree set alight by a lightning strike on Auckland\u2019s Kawau Island.<\/p>\n A potential repeat today was because of a low headed for the top of the country.<\/p>\n \u201cUnstable conditions are expected during the afternoon as a low crosses the northern North Island and some thunderstorms are expected\u201d, MetService said.<\/p>\n \u201cFor the east and south of Northland south of Kerikeri \u2026 and [for] Auckland there is<\/a> a chance some of these thunderstorms will become severe this afternoon, bringing localised downpours with intensities of 25 to 40mm\/h.\u201d<\/p>\n M\u014drena, good morning.<\/p>\n Here are your temperatures at 7am, ranging from 9 \u00b0C in Invercargill to 18 \u00b0C up in Gisborne.<\/p>\n Weather theme today: All the details here\u2026 pic.twitter.com\/JTdXbD5ukA<\/a><\/p>\nFirefighters extinguished a fire in the roof of a property on Home St, Grey Lynn, after it was struck by lightning on Friday. Photo \/ Hayden Woodward<\/p>\n
\u26c8\ufe0fNorth Island: Thunderstorms north of Palmy.
\ud83c\udf26\ufe0fSouth Island: A clearing trend, as high pressure builds.<\/p>\n