December 20, 2017 Weather Forecast
Photo Credit: 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.**
Hilo
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a low around 64. Light west southwest wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 75. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a low around 61. North wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Kona
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 61. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 76. Calm wind becoming north northwest around 6 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Waimea
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 53. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 67. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 50. North northeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Kohala
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 46. West southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 63. Light and variable wind becoming west southwest 5 to 7 mph 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.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 43. North northeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
South Point
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a low around 70. East northeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 77. North wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Puna
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a low around 62. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 73. Light west northwest wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 59. North wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Hamakua
Today: Frequent snow showers. The snow could be heavy at times. Low around 25. Breezy, with a west wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Tonight: Frequent snow showers. The snow could be heavy at times. High near 32. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Tomorrow: Frequent snow showers. The snow could be heavy at times. Low around 19. Breezy, with a west wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Waikoloa
Today: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 61. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 77. East wind around 6 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Tomorrow: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. Northeast wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Image: NOAA
Synopsis
Deep tropical moisture will remain over the central and eastern islands through Wednesday night, resulting in periods of locally heavy rainfall and thunderstorms. A cold front will push slowly down the island chain from Oahu to the Big Island through Wednesday night, with a cooler and drier air mass filling in following the frontal passage. The cool, dry weather pattern is expected to linger through Friday. Another weak front will approach Kauai Friday night, with trades becoming established across the state during the start of the Christmas Holiday Weekend. The winds will become weak again early next week as a slightly stronger front approaches the state from the northwest.
Data Courtesy of NOAA.gov
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