A cold front will move down the island chain Monday through Wednesday bringing breezy southwesterly winds and rain, according to the latest forecast issued by the National Weather Service. The NWS is forecasting a second cold front will sweep through the islands from Thursday night and Friday with another round of rain and trade winds “becoming strong behind.”
The National Weather Service has extended the Flood Advisory for Maui until 11:30 a.m. At 8:25 a.m., radar and automated rain gauges indicated heavy rain over eastern and southern portions of Maui. Rain was falling at a rate of 1 to 2 inches per hour. The NWS reports some locations that will experience flooding include: Kahului, Kīhei, Kula, Kēōkea, Pukalani, Makawao, Hāliʻimaile, Keʻanae, Huelo, Haʻikū-Paʻuwela, Kaupō, Kīpahulu, ʻUlupalakua, Wailea, Nāhiku, Paʻuwela, Pāʻia, Mākena, Puʻunēnē and Māʻalaea.
The National Weather Service has extended the Flash Flood Warning for the island of Maui until 12:30 p.m. At 9:19 a.m., radar showed heavy rain continuing over the east and southeast slopes of Haleakalā. The highest rain rates were 1 to 2 inches between Keʻanae and Hāna.
A kona low west of the islands continues to threaten the state with the potential for heavy rain and thunderstorms. A Flood Watch remains in effect until Thursday afternoon for the entire state. There is also a Winter Weather Advisory in effect through Thursday morning for the Big Island summits.