Small Craft Advisory: Windward waters of Big Island through 6 a.m. Thursday.
High Wind Warning: Big Island Summits through 6 p.m. today for 50 to 70 mph winds and higher gusts.
High Surf Warning: North shore of Big Island through 6 a.m. Thursday.
Flash Flood Watch: Through late tonight. A disturbance will strengthen and pass over the islands later today and tonight. While isolated heavy showers could develop over all islands today, the main threat for heavy showers and thunderstorms will be along a band of moisture currently stalled near Maui and the Big Island. This band is expected to move north tonight and Thursday.
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Winter Storm Watch: Snowfall of up to 3 to 6 inches is possible tonight into Thursday with visibility less than 1/4 mile at times.
**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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Unsettled weather, with heavy rain and thunderstorms is possible through Thursday a strong disturbances passes over the state. Heavy rain is most likely along a stalled band of moisture which is currently near Maui and the Big Island. This band should go north this evening through Thursday which should shift the unsettled weather up to the north of the state with gradually improving conditions for Maui and the Big Island. A more settled weather pattern is forecast for the weekend.
Today
We have variable winds today around 5 to 15 mph. High temperatures are forecast from 77° to 82°. Mostly cloudy today with scattered windward showers in the morning. Rainfall chances increase in the afternoon with a chance of thunderstorms and locally heavy rainfall as well. If thunderstorms do develop they can be accompanied by gusty winds.
UV index at 10 (“very high” exposure level)
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Tonight
Variable winds are forecast around 5 to 15 mph. Partly to mostly cloudy skies are expected for Hawaii County with scattered showers and a slight chance of thunderstorms and locally heavy rainfall. Low temperatures from 67° to 72°.
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