Weather

Batch of Moisture Expected to Keep Conditions Wet

September 16, 2015, 1:54 AM HST
* Updated September 16, 10:25 AM
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Alerts

A Small Craft Advisory is posted for the Alenuihaha channel and Big Island leeward and southern waters through 6 p.m. Wednesday for east winds up to 25 knots and rough seas up to 11 feet.

**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

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Moderate to locally strong trade winds are expected through next weekend, bringing periods of clouds and showers to the islands. A different batch of moisture is expected to move over windward Big Island tonight through Wednesday, keeping conditions wet. Although showers will tend to favor windward areas, the winds will be strong enough to push them to leeward areas at times, while daytime heating will trigger afternoon showers over the Big Island leeward slopes and coast. Another increase in showers is possible this weekend as an upper level disturbance moves toward the islands from the northeast.

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Today 

Today we expect mostly cloudy skies for windward Big Island in the morning with occasional showers and fewer clouds and showers in the afternoon. The Kona side will be clear to start and mostly cloudy with showers likely each afternoon and evening. High temperatures from 85° to 90°. Northeast winds are expected from 10 to 20 mph.

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

 

Tonight 

Northeast winds are expected this evening from 10 to 20 mph. Low temperatures from 73° to 78°. Mostly cloudy skies are expected in the evening with scattered showers for windward spots. Leeward spots should be clearing as the night goes on.

 

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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: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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