Unsettled Weather Today, Thunderstorms Possible
Alerts (as of 1:00 a.m.)
A Small Craft Advisory remains in effect through 6 p.m. this evening for seas from 7 to 10 feet and east winds up to 25 knots.
A Flash Flood Watch is posted through Tuesday afternoon.
**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.**
Unsettled weather is likely for much of this week as showers are forecast to increase in coverage and intensity for the next 12 to 18 hours. Locally heavy rainfall is possible through at least Wednesday. A Flash Flood Watch is currently posted for the Big Island but is likely to be expanded to parts of Maui County as the weather situation begins to unfold. The most active weather is expected tonight though Tuesday night. Drier and more stable conditions should return late in the week although afternoon thunderstorms and heavy showers are still possible for the Kona side Wednesday and Thursday afternoon. A tropical disturbance is expected to pass south of Hawaii early next week. Will keep an eye on it.
Mostly cloudy with occasional windward showers through the day and a slight chance of afternoon thunderstorms. Isolated showers for Kona side in the morning with showers likely and a chance of thunderstorms and heavy rainfall in the afternoon. High temperatures from 82° to 87°. Winds will be northeast around 15 mph with higher gusts.
UV index at 9 (“very high” exposure level)
Winds will be variable around 15 mph. Mostly cloudy with occasional windward showers. Kona side isolated showers through the night. Locally heavy rainfall is possible. Low temperatures from 72° to 77°.
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