Hazy, Muggy, Afternoon Downpours Expected TodaySeptember 12, 2017, 1:19 AM HST (Updated September 11, 2017, 10:29 PM)
Alerts (as of 1:00 a.m.)
There are no weather alerts posted at this time.
**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.**
Afternoon sea breeze conditions are forecast to bring pop up scattered showers over interior and leeward areas into the evening. Some could be locally heavy from time to time through Wednesday. At night, land breezes will clear out most clouds and showers. The trade winds are expected back Thursday and should last into the weekend.
We expect light and variable winds up to 10 mph with afternoon sea breezes developing. Mostly sunny skies in the morning with clouds building in the afternoon for lee and interior areas and numerous showers, some of those will be heavy downpours. Partly cloudy skies for windward spots with scattered showers. Temperatures up to 84° to 89° and feeling warmer due to the higher heat index. Hazy skies are expected.
UV index at 11 (“extreme” exposure level)
Light and variable winds up to 10 mph with a land breeze developing at night. Clouds and showers in the evening are expected to clear as the night goes on. Low temperatures from 69° to 74°.
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