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September 13, 2018 Weather Forecast

September 13, 2018, 1:45 PM HST (Updated September 13, 2018, 1:45 PM)
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Photo: James Grenz

Flash Flood Watch issued September 13 at 3:14AM HST until September 14 at 6:00AM 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

    Tropical Depression Olivia will continue to move away to the west southwest of the area. A low aloft north of Kauai will move southwest. A surface high far north of the state will move south through the weekend, with a new high forming farther northeast early next week. A surface trough may move over the islands from the east around the middle of next week.

    Hilo

    This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 87. East northeast wind around 6 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 69. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Friday: Showers likely. Mostly cloudy, with a high near 86. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Kona

    This Afternoon: A 40 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 87. West southwest wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Tonight: Partly cloudy, with a low around 68. Light and variable wind.

    Friday: Scattered showers after noon. Increasing clouds, with a high near 87. Calm wind becoming west around 6 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Waimea

    This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Breezy, with a northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Tonight: Frequent showers, mainly before midnight. Low around 59. Breezy, with a northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Friday: Scattered showers. Mostly cloudy, with a high near 81. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between 1 and 2 inches possible.

    Kohala

    This Afternoon: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 69. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Tonight: Frequent showers. Low around 54. Breezy, with an east northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Friday: Showers likely. Mostly cloudy, with a high near 68. Breezy, with an east northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    South Point

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. Windy, with an east wind 22 to 24 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Tonight: Scattered showers. Mostly cloudy, with a low around 76. Windy, with an east northeast wind 21 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Friday: Scattered showers. Partly sunny, with a high near 86. Windy, with an east northeast wind 21 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Puna

    This Afternoon: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 86. East wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Tonight: Frequent showers. Low around 67. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Friday: Frequent showers. High near 85. Light and variable wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Waikoloa

    This Afternoon: A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. East northeast wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Tonight: Scattered showers before midnight. Partly cloudy, with a low around 67. East wind around 6 mph becoming south southeast after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Friday: Increasing clouds, with a high near 90. Southeast wind 5 to 7 mph becoming north northwest in the afternoon.

    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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