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April 28, 2018 Weather Forecast

April 28, 2018, 6:00 AM HST
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Photo Credit: James Grenz

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**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

Showers are developing across Maui County this morning as a shallow cold front continues to move southeast down the island chain. The frontal band will reach the Big Island by this afternoon and stall just to the east of the island on Sunday. Cool and dry air will move in behind the cold front with a drying trend for most islands through Monday. Lingering unstable moisture will continue to drift over the windward Big Island through the upcoming week. A building high pressure ridge east of the state and a developing low pressure system to the north of the islands will slowly draw up the unstable cloud band back northward across the islands from Tuesday through Friday. Expect scattered to numerous showers affecting mainly Kauai and Oahu from Wednesday through Friday as the unsettled cloud band stalls across the northwestern side of the state.

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Hilo

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Today: Showers likely. Mostly cloudy, with a high near 82. Breezy, with a light and variable wind becoming north 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 66. North wind 8 to 13 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Scattered showers. Partly sunny, with a high near 80. West wind 5 to 13 mph becoming east northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

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Kona

Today: Showers likely. Mostly cloudy, with a high near 79. East wind 6 to 9 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Isolated showers after noon. Mostly sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Waimea

Today: Showers likely, mainly after noon. Mostly cloudy, with a high near 75. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 55. Northeast wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday: Isolated showers. Mostly sunny, with a high near 74. Light west wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 20%.

Kohala

Today: Showers likely. Mostly cloudy, with a high near 68. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 47. Light and variable wind becoming west southwest 8 to 13 mph in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Isolated showers. Mostly sunny, with a high near 67. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

South Point

Today: Showers likely. Widespread haze. Mostly cloudy, with a high near 79. Light east southeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Widespread haze. Mostly cloudy, with a low around 74. East northeast wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Isolated showers. Widespread haze. Mostly sunny, with a high near 81. West southwest wind 8 to 13 mph becoming light south southwest in the afternoon. Chance of precipitation is 20%.

Puna

Today: Showers likely. Cloudy, with a high near 80. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Showers likely, mainly after 1am. Mostly cloudy, with a low around 64. North wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday: Showers likely, mainly before 7am. Partly sunny, with a high near 78. West wind 7 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Waikoloa

Today: Scattered showers. Mostly cloudy, with a high near 79. Breezy, with an east northeast wind 6 to 15 mph becoming west in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 66. Breezy, with an east northeast wind 12 to 17 mph becoming light east southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Isolated showers after noon. Mostly sunny, with a high near 81. Calm wind becoming west northwest 5 to 9 mph in the morning. 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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