HONOLULU (KHON2) — A flood advisory is in effect for Maui until 7:30 p.m. Monday.

The National Weather Service reported heavy rain over the southeast slopes of Haleakala. Rain was falling at a rate of 1 to 2 inches per hour.

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Some locations that will experience flooding include Kaupo, Kipahulu and Haleakala National Park.

The County of Maui reported that Piilani Highway is closed at Nu’u Bay until further notice.

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According to Maui officials, roadways are unsafe for passage due to heavy rain in the area flooding Nu’u Gulch.