#hawaiʻi forecast

Monday weather updates: Winds still in the forecast; Flood Watch canceled

The Flash Flood Watch that was in effect for the Hawaiian Islands has since been cancelled. A Wind Warning continues for Maui County and the Big Island until 6 p.m. East winds of 25 to 35 mph are expected, with gusts up to 60 mph.

Cold front to stall over Maui; Flood Watch and Wind Warning through Monday afternoon

A front will stall over Maui County through the weekend, allowing deep tropical moisture to pool over the island chain. This in combination with a disturbance aloft moving over the state, will bring the potential for heavy rainfall, a few thunderstorms and flash flooding beginning this afternoon and continuing through Monday afternoon. The greatest risk for flash flooding is expected in windward areas.

Governor issues Emergency Proclamation in advance of severe weather in Hawaiʻi

Gov. Josh Green today issued an Emergency Proclamation to alert residents to prepare for severe weather this weekend and to make state resources available in the event of resulting damage. The National Weather Service forecasts predict as much as 10 inches of rainfall this weekend, with rain starting as early as Saturday, while it is most likely to impact the state Sunday into Monday. The heavy rains bring the potential of flash flooding, particularly in windward areas of the islands.

Cold front to move into Maui County tonight; Flood Watch in effect Saturday through Monday

A cold front will move southeast into Kauaʻi late this afternoon, then through Oʻahu and into Maui County tonight, bringing wet weather to the state. The front will stall over Maui County this weekend, allowing deep tropical moisture to pool over the island chain.

Wet weather persists over Maui, Flood Advisory issued for Molokaʻi until 1:15 p.m.

The National Weather Service issued a Flood Advisory for the island of Molokaʻi in Maui County, in effect until 1:15 p.m. At 10:13 a.m., radar showed heavy rain over windward Molokaʻi, with rain falling at a rate of 1 to 2 inches per hour with the heaviest rainfall occurring near Kalaupapa.

Update: Rainfall and isolated thunderstorms forecast as upper level low impacts SE facing slopes

The NWS reports that flash flooding caused by excessive rainfall continues to be possible. The greatest chance for impacts is tonight is on windward Big Island, windward Maui, and over Kauaʻi County.

Kona low prompts Flood Watch through Monday afternoon for Hawaiian Islands

For Big Island and Maui County, the greatest flood risk remains along southeast facing mountain slopes as southerly flow more efficiently lifts rich moisture up these slopes.