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Light and Variable Winds Today

May 21, 2015, 1:43 AM HST
* Updated May 20, 11:45 PM
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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 81° to 86°. Winds will be variable from 5 to 15 mph. Leeward sides should be mostly sunny in the morning becoming mostly cloudy in the afternoon with scattered showers expected. Windward sides should be partly cloudy with scattered showers in the morning.

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UV index at 11 (“extreme” exposure level)

 

Tonight

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Partly cloudy skies are expected tonight with scattered windward showers. Partly cloudy for leeward spots with scattered showers and clearing as the night goes on. Variable winds are forecasted from 5 to 15 mph. Low temperatures from 69° to 74° are expected.

 

 

Looking Ahead 

Trade winds are expected to become light and variable on Thursday as a weak front approaches the islands. The front is forecasted to reach Kauai on Friday, then dissipate as it moves down the island chain through Sunday. The front will bring a few showers, mainly to windward and north facing slopes and coasts, and a brief surge of northeasterly trade winds. Light to moderate northeast trade winds will then prevail into the middle of next week, delivering brief windward showers that will favor nights and mornings.

 

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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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