Heavy rain pelted the Bay over the weekend with more than 70mm falling in Waihi and 53mm in the Kaimai Range and another 80 to 100mm expected to fall last night.
From 8pm on Friday until yesterday afternoon more than 30mm of rain had fallen in Tauranga with more than 72mm in Waihi and about 53mm in the Kaimai Range, according to the MetService.
Yesterday, a severe weather warning was issued by MetService with between 80 to 100mm expected to fall across the region between midday yesterday and 6am today.
MetService meteorologist Claire Flynn said a weather pattern was slowly moving southwards over the upper North Island preceded by easterly winds and a band of rain.
"Heavy rain about Coromandel Peninsula and the Western Bay of Plenty is expected to spread southwards to the Gisborne region tonight, and although it should ease in the north around dawn om Monday it will likely continue into Tuesday morning about Gisborne."