Weather

Flood Watch Posted, Heavy Rainfall Possible Today

September 21, 2015, 1:57 AM HST
* Updated September 20, 11:06 PM
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Image: Jimmie Hepp

Alerts

A Small Craft Advisory is posted for all Maui County channels as well as Māʻalaea Bay through 6 p.m. Monday. Increased trade wind speeds are expected. Inexperienced mariners should avoid navigating in these conditions.

A Flash Flood Watch has been posted for Maui County through Monday afternoon. Abundant moisture upstream of the islands is expected to bring heavy rain. Periods of heavy rain and saturated soils from recent rainfall will increase the risk for flash flooding during this time. A Flash Flood Watch means that conditions may develop that lead to flash flooding.

**Click directly on the images below to make them larger. Charts include: Maui County high/low forecasted temperatures, projected winds, projected localized weather conditions and expected wave heights.**

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Looking Ahead

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Breezy trades are expected to keep bringing mainly windward and mauka showers during the next couple of days with the heaviest rainfall expected over the eastern half of the island chain. Periods of heavy rain are also possible, mainly over Maui county and the Big Island. Some of the larger showers may reach leeward locations at times. The wet trade wind pattern may continue during the second half of the work week as another area of enhanced moisture approaches the aloha state from the east.

 

Today 

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We expect partly to mostly cloudy skies today with frequent showers in windward and mauka spots. Showers will taper off a bit in the afternoon but are still likely to keep things wet. Locally heavy rainfall is possible with a slight chance of thunderstorms. Leeward areas in Maui County may see showers occasionally drifting over from windward spots. High temperatures from 86° to 91°. East winds are expected from 15 to 20 mph.

UV index at 11 (“extreme” exposure level)

 

Tonight 

East winds are expected this evening from 15 to 20 mph. Low temperatures from 77° to 82°. Mostly cloudy skies are expected in the evening with frequent showers for windward spots and scattered showers for leeward areas.

 

Our Maui Now Weather homepage always includes daily: Sunrise | Sunset | Moonrise | Moonset | Moon Phase | Live Weather Cams | 5-day Forecast | Current Temperature & Conditions

***Click here for your marine outlook and surf report.***

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

 Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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