Passing Disturbance Brings Winter Weather to Haleakalā on Maui, Advisory Extended to Midnight

(Update: 5:18 p.m., April 11, 2021)

A Winter Weather Advisory remains in effect for Haleakalā Summit on Maui and the summits of the Big Island through midnight.

The National Weather Service reports a passing disturbance aloft will produce snow showers above 9,500 feet on the Big Island summits through this evening, with chances for additional winter weather decreasing by midnight. Ice and snow that fell on Haleakalā earlier in the day remains on roads, and vehicle traffic remains closed in Haleakalā National Park through at least the evening.

A Winter Weather Advisory means that periods of snow, sleet, or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities and use caution while driving.

(Update: 4:02 p.m., April 11, 2021)

A Winter Weather Advisory is in effect for the summit of Haleakalā on Maui and the Big Island summits through 6 p.m. on Sunday, April 11, 2021.

The National Weather Service says a passing disturbance aloft is producing snow showers above 9,000 feet. Chances for snow will diminish late this afternoon and evening.

The National Parks Service closed access to the summit because of the advisory.

A Winter Weather Advisory means that periods of snow, sleet, or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities and use caution while driving.

(Update: 3:40 p.m., April 11, 2021)

The flood advisory for the island of Maui is canceled as of 3:40 p.m. The National Weather Service reports that weather radar shows that the heavy rain has diminished. Therefore, the Flood Advisory has been canceled.

(Update: 2:22 p.m., April 11, 2021)

The National Weather Service has issued a Flood Advisory for the island of Maui until 5:30 p.m. on Sunday, April 11, 2021.

At 2:22 p.m., radar showed heavy showers and thunderstorms over upcountry communities and the central valley, with the heaviest rain falling at a rate of 1 to 2 inches per hour between Kula and ʻUlupalakua.

Locations in the advisory include but are not limited to: Kahului, Kīhei, Wailea, Māʻalaea, Keōkea, Puʻunēnē, Waikapū, Mākena, Wailuku, Olowalu, Ukumehame Beach Park, Launiupoko and Haleakalā National Park.

As a precaution, the public is advised to stay away from streams, drainage ditches and low lying areas prone to flooding. Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action.

The NWS reminds the public not to cross fast flowing or rising water in your vehicle, or on foot. “Turn around, don’t drown.”