Heavy Rain Possible This Weekend
Alerts
A High Surf Advisory is posted for south facing shores of the Big Island through 6 a.m. Sunday. Expect strong breaking waves, shore break and strong longshore and rip currents making swimming difficult and dangerous.
Check our breaking news section for any urgent weather alerts.
**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.**
Looking Ahead
Moderate trade winds are expected into next week. Tropical moisture from former tropical cyclone Nora and an old front will spread across the island chain through the weekend, resulting in a wetter weather focused mainly over windward and mauka areas. This moisture will pass west of the islands by Monday with drier conditions expected during the first part of next week.
Today
Today locally heavy rainfall is possible with a chance of thunderstorms. We expect cloudy skies and frequent showers for windward spots in the morning with numerous showers expected in the afternoon. The Kona side is forecast to start out mostly sunny with clouds building in the afternoon and numerous showers. High temperatures from 83° to 88°. East winds are forecast around 15 mph.
UV index at 9 (“very high” exposure level)
Tonight
East winds are expected in the evening around 15 mph. Low temperatures from 71° to 76°. Mostly cloudy skies are expected in the evening with numerous showers for windward spots and scattered evening showers for leeward areas. Leeward spots should see clearing as the night goes on.
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