Today’s Big Island Weather Forecast
Alerts
Flash Flood Watch Issued: September 13 at 3:22AM HST until September 14 at 6:00PM HST by NWS
Areas affected: Big Island Interior; Big Island North and East; Haleakala Summit; Kohala; Kona; Lanai Makai; Lanai Mauka; Leeward Haleakala; Maui Central Valley; Maui Leeward West; Maui Windward West; Molokai Leeward; Molokai Windward; South Big Island; Windward Haleakala
**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**
Today
Mostly cloudy and scattered showers in the morning. Showers likely in the afternoon with a slight chance of a thunderstorm and possible locally heavy rains. Highs 84° to 89°. Variable winds to 15 mph.
Tonight
Mostly cloudy with showers on the windward area. Scattered showers on the leeward area in the evening then isolated showers after midnight. Lows 73° to 78°. Variable winds to 15 mph.
Our Big Island Now Weather homepage always includes daily: Sunrise | Sunset | Moonrise | Moonset | Moon Phase | Live Weather Cams | 5-day Forecast | Current Temperature & Conditions