September 27, 2018 Weather Forecast
Photo: James Grenz
**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.**
Looking Ahead
Deep tropical moisture associated with a surface trough over the middle portion of the main Hawaiian Islands will continue to lead to pockets of heavy showers or thundershowers today. The trough will weaken and shift westward, merging with a front before dissipating by Friday night. Drier and less humid air will return by the weekend as trade winds return statewide. The trades will not last long, as a ridge of high pressure pushes south over the islands early next week. Although winds will be light, it should not be as humid as we are currently experiencing.
Hilo
This Afternoon: A 20 percent chance of showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. Heat index values as high as 95. East northeast wind around 7 mph.
Tonight: Scattered showers. Mostly cloudy, with a low around 70. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Scattered showers. Mostly cloudy, with a high near 88. Light and variable wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Kona
This Afternoon: Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 83. West northwest wind around 9 mph. 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 before midnight. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday: Scattered showers after noon. Partly sunny, with a high near 83. Light and variable wind becoming west northwest around 6 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Waimea
This Afternoon: Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 82. North northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight: Scattered showers. Mostly cloudy, with a low around 63. Northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Friday: Scattered showers. Partly sunny, with a high near 81. Breezy, with a northeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Kohala
This Afternoon: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 68. West wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 58. Breezy, with an east northeast wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Showers likely. Mostly cloudy, with a high near 67. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
South Point
This Afternoon: Mostly sunny, with a high near 89. Heat index values as high as 97. East wind around 13 mph.
Tonight: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 80. Breezy, with an east northeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Scattered showers. Partly sunny, with a high near 88. Heat index values as high as 97. Windy, with an east northeast wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Puna
This Afternoon: Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 88. Northeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Scattered showers. Mostly cloudy, with a low around 68. North northeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 87. West northwest wind 5 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Waikoloa
This Afternoon: A slight chance of thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 88. West northwest wind around 7 mph. Chance of precipitation is 20%.
Tonight: Isolated showers before midnight. Partly cloudy, with a low around 70. East northeast wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 20%.
Friday: Sunny, with a high near 88. South southeast wind around 6 mph becoming north 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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