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Heavy Rain, Thunderstorms & Even Snow Expected This Weekend

April 29, 2017, 1:21 AM HST
* Updated April 28, 9:24 PM
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File Image from March 1: James Grenz

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

Flood Watch: In effect through Sunday afternoon.

High Surf Advisory: South shores of Big Island through 6 a.m. Saturday.

Winter Storm Watch: From Saturday morning through Sunday afternoon for the possibility of up to 6 inches of snow with southwest winds from 20 to 40 mph.

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

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**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

Complicated weather is expected through the weekend. All the ingredients will be present for flare ups in the form of heavy rain and thunderstorms. A front is forecast to stall over the state while simultaneously a disturbance high in the atmosphere brings instability. The heaviest rainfall is expected over Maui County and wet weather should continue into next week with a drying trend through the work week.

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Today & Sunday

We expect variable winds today around 5 to 15 mph. High temperatures are forecast from 78° to 83°. Locally heavy rainfall is possible today with partly sunny skies and scattered showers forecast for the morning. Mostly cloudy skies with scattered thunderstorms are forecast for the afternoon. Showers are likely at that time as well.

Sunday, mostly cloudy skies with scattered showers and a slight chance of thunderstorms. Locally heavy rainfall is still possible.

UV index at 8 (“very high” exposure level)

 

Tonight & Sunday Night

Variable winds are forecast around 5 to 15 mph. Mostly cloudy skies with showers likely. Locally heavy rainfall is possible with scattered thunderstorms Saturday night and a chance of thunderstorms Sunday night. Low temperatures from 66° to 71°.

 

Our Big Island 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 detailed Big Island surf report.**

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

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