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Increase in Windward Showers This Weekend

May 23, 2015, 1:41 AM HST
* Updated May 22, 9:44 PM
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Alerts

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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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Today

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Today we expect high temperatures from 79° to 84°. Winds will be variable from 5 to 15 mph. Mostly sunny skies are expected in the morning with partly sunny skies in the afternoon and scattered showers in the afternoon. The UHSOEST vog model shows volcanic haze for much of the Big Island today.  Windward sides are expected to be mostly cloudy with showers likely, especially in the afternoon.

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UV index at 10 (“very high” exposure level)

 

Tonight

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Mostly cloudy skies are expected tonight with showers likely for windward areas. Leeward spots will be cloudy to start and clearing is expected as the night goes on. North to northeast winds are forecasted from 10 to 15 mph. Low temperatures from 68° to 73° are expected.

 

Sunday

Partly cloudy skies are expected with scattered showers for windward locations, mostly occurring at night and in the morning. Hazy skies are expected for the Kona side in the afternoon. Leeward sunshine in the morning with some afternoon cloud build-up. Winds are forecasted out of the northeast around 15 mph. High temperatures from 80° to 85° and low temperatures from 67° to 72°.

 

Looking Ahead 

A weak cold front is moving over Maui county overnight and windward Big Island Saturday and Saturday night, before dissipating south of the Big Island on Sunday. A brief period of breezy northeast winds are expected with the front, focusing most rainfall along windward slopes and coasts. After the front passes, light to moderate northeast to north winds are forecasted into next week, with brief showers favoring windward areas, especially during nights and mornings. A cloud band moving over the islands on Sunday may bring a few extra windward showers.

 

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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: UHSOEST

Image: UHSOEST

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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