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Flood advisory expires for Oahu as muggy weather continues statewide

UPDATE: 5:40 p.m.

The flood advisory for Oahu has expired, as mostly dry weather lingers over Maui and Hawaii island for the next couple of days.

Muggy conditions are also expected to continue for Oahu and Kauai, with a few heavy downpours forecast during the afternoon hours this week, the National Weather Service reported.

“Trade winds will prevail statewide by the weekend, and will deliver a few windward showers,” weather officials said. “The returning trade winds will remain on the lighter side, bringing only a little relief from the recent heat.”

3:10 p.m.

A flood advisory has been issued for Oahu until 5:45 p.m.

Heavy rain falling at a rate of one to two inches per hour was reported to be near the Koolau mountain range at around 2:50 p.m. today, the National Weather Service said. Select areas of the central parts of the island and the north shore are also impacted.

Locations in the advisory include Ahuimanu, Punaluu, Hauula, Waimanalo, Kailua, Mililani, Maunawili, Kaneohe, Wheeler Field, Wahiawa, Waialua and Waikane.

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Light to moderate trade winds will return to Maui and the Big Island today, weather officials said, but a muggy air mass is expected to remain in place over the next few days.

A surface trough over Kauai will keep the mugginess over the isles as it lingers nearby before drifting westward.

A few bouts of heavy showers are expected to develop due to light winds, forecasters said, especially in the afternoon and evening. By the weekend, light to moderate tradewinds are expected statewide, with just a few showers expected.

All previous advisories, meanwhile, including a flood advisory for parts of Hawaii island and high surf advisory for east-facing shores on Tuesday, have expired. Surf is back down to 1 to 3 feet along east-facing shores and 2 to 4 feet along south-facing shores of Oahu today.

Honolulu’s forecast includes scattered showers throughout the week. Today will be partly sunny with a high near 87 degrees Fahrenheit, and humidity at 90%.

The heat index, what it feels like when temperature and humidity are combined, is expected to reach 94 degrees in Honolulu this afternoon and as high as 95 degrees on Thursday. In Kapolei, the heat index is expected to reach up to 96 degrees today and Thursday.

Since the start of August, temperatures have either tied are beat previous records every day except for Monday. On Tuesday, a record high of 90 degrees was set at Lihue, beating the old record of 88 set in 2017.

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