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February 19, 2018 Weather Forecast

February 19, 2018, 7:01 AM HST
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Photo Credit: James Grenz

Flash Flood Watch issued February 18 at 2:58PM HST until February 19 at 6:00PM HST by NWS

Our weather team will bring you any urgent weather alerts or updates as they occur. Check our breaking news section for the latest.

**Click directly on the images below to make them larger. Charts include: Hawaii Island high/low forecasted temperatures, projected winds, projected localized weather conditions and expected wave heights.**

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Looking Ahead

The potential for flash flooding and strong thunderstorms will continue today over the state as an upper disturbance and surface trough remain in place. The threat will begin to diminish tonight through Tuesday as the upper disturbance begins to lift north and away from the state and some drier air begins to fill in from the west. Light east to southeast winds, likely giving way to daytime sea breezes and overnight land breezes, and isolated to scattered showers will remain possible through midweek. A return of unsettled weather will become a possibility once again Thursday through the upcoming weekend as another upper low drops south into the area.

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Hilo

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Washington’s Birthday: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 76. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a low around 63. North wind around 5 mph becoming west after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday: Scattered showers. Widespread haze. Partly sunny, with a high near 78. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

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Kona

Washington’s Birthday: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 76. Calm wind becoming west 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: Isolated showers. Widespread haze. Partly sunny, with a high near 78. Calm wind becoming west 5 to 8 mph. Chance of precipitation is 20%.

Waimea

Washington’s Birthday: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 73. Southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

Tonight: Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 52. Northeast wind around 7 mph becoming southeast after midnight. Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday: Scattered showers. Widespread haze. Partly sunny, with a high near 73. Southeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Kohala

Washington’s Birthday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 69. South southeast wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 45. Light south southeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: Showers likely, mainly after noon. Widespread haze. Mostly cloudy, with a high near 69. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

South Point

Washington’s Birthday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 78. Breezy, with a north wind 9 to 15 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 69. East wind 8 to 10 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: Scattered showers, mainly before noon. Widespread haze. Partly sunny, with a high near 78. Breezy, with a north wind 9 to 15 mph becoming east in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Puna

Washington’s Birthday: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 75. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 61. North northeast wind around 7 mph becoming west after midnight. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: Scattered showers. Widespread haze. Partly sunny, with a high near 77. Northeast wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Waikoloa

Washington’s Birthday: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a high near 77. East southeast wind 5 to 8 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Scattered showers and thunderstorms before 1am, then isolated showers. Some of the storms could produce gusty winds and heavy rain. Widespread haze. Mostly cloudy, with a low around 62. Calm wind becoming east 5 to 9 mph in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: Isolated showers. Widespread haze. Mostly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Data Courtesy of NOAA.gov

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