Increase in Showers & Cloud Cover ExpectedAugust 18, 2016, 12:17 AM HST (Updated August 18, 2016, 12:18 AM)
Alerts (as of 1:00 a.m.)
A Small Craft Advisory is posted for our usual windy areas through 6 a.m. Saturday for east winds from 20 to 25 knots.
**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.**
Breezy trade winds are forecast to strengthen slightly Thursday through Friday, then slowly weaken again over the weekend. An area of enhanced moisture will cause showers to increase over windward areas Thursday and Thursday night, followed by a drier pattern on Friday. Showers are forecast to increase again during the weekend as a disturbance moves slowly westward over the islands. Winds are forecast to weaken again early next week, with a very warm and humid land and sea breeze pattern prevailing.
Partly to mostly cloudy with scattered showers for windward areas. Hazy skies for the Kona side with sunny skies in the morning, then building cloud cover in the afternoon and scattered showers. High temperatures from 84° to 89°. Winds will be northeasterly around 15 mph.
UV index at 13 (“extreme” exposure level)
Winds will be northeasterly around 15 mph. Mostly cloudy with numerous showers for windward spots. Mostly cloudy for lee areas and clearing as the night goes on. Low temperatures from 72° to 77°.
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