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Heavy Rain, Thunderstorms Possible Today for Big Island

April 28, 2017, 1:36 AM HST
* Updated April 27, 10:46 PM
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Image: James Grenz

Alerts (as of 1:00 a.m.)

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Check our breaking news section for any urgent weather alerts or updates to the weather alerts listed above.

**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, chance of cloud cover, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**

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Looking Ahead

ARTICLE CONTINUES BELOW AD

A cold front and upper level disturbance are forecast to approach the state and bring the potential for heavy rain and thunderstorms on Friday. The front is forecast to stall over Maui County or near the Big Island over the weekend. A pool of cold air high in the atmosphere is expected to move over the islands Sunday. This could bring the potential for heavy showers and thunderstorms Sunday and possibly Monday.

 

Today  

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We expect southeast winds today around 15 mph. High temperatures are forecast from 80° to 85°. Hazy skies are forecast today with a slight chance of thunderstorms. Scattered windward showers are expected with the Kona side forecast to get isolated morning showers and numerous afternoon showers. Locally heavy rainfall is possible today.

UV index at 11 (“extreme” exposure level)

 

Tonight 

Variable winds are forecast around 15 mph. Mostly cloudy skies with numerous windward showers and scattered showers for the Kona side. Locally heavy rainfall is possible and a slight chance of thunderstorms too. Low temperatures from 67° to 72°.

 

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Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

 

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