Weather

September 21, 2018 Weather Forecast

September 21, 2018, 7:00 AM HST
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Photo: Asa Ellison

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

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Looking Ahead

A drying trend with moderate to breezy trades returning is expected through Saturday as a weak trough of low pressure north of Kauai continues westward. Clouds and showers will favor the typical windward and mauka locations through Saturday night. Warm and muggy conditions are forecast to return later in the weekend through early next week as low pressure forms west of the state. Light to moderate southerly winds and plenty of tropical moisture lifting northward will translate to increasing rain chances Sunday night through Wednesday.

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West Side

ARTICLE CONTINUES BELOW AD

Today: Isolated showers after 1pm. Sunny, with a high near 90. Heat index values as high as 96. East northeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

Tonight: Isolated showers. Partly cloudy, with a low around 76. South southwest wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 20%.

Saturday: Isolated showers. Mostly sunny, with a high near 88. East northeast wind 7 to 13 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.

ARTICLE CONTINUES BELOW AD

South Side

Today: Sunny, with a high near 89. Light and variable wind.

Tonight: Mostly clear, with a low around 73. North wind around 6 mph becoming calm in the evening.

Saturday: Isolated showers after 1pm. Sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

North Shore

Today: Isolated showers after noon. Mostly sunny, with a high near 88. Breezy, with an east wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 74. Breezy, with an east wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 86. Breezy, with an east wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Central Maui

Today: Isolated showers after noon. Mostly sunny, with a high near 91. Heat index values as high as 97. Breezy, with an east northeast wind 6 to 11 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 74. Breezy, with a northeast wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Scattered showers, mainly before noon. Partly sunny, with a high near 89. Breezy, with a northeast wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Upcountry

Today: Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.

Tonight: Mostly clear, with a low around 62. West southwest wind around 5 mph becoming calm in the evening.

Saturday: Isolated showers after noon. Sunny, with a high near 76. Calm wind becoming west 5 to 8 mph. Chance of precipitation is 20%.

East Maui

Today: Scattered showers. Partly sunny, with a high near 83. East southeast wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after 1am. Mostly cloudy, with a low around 73. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 81. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Lanai City

Today: Isolated showers after noon. Sunny, with a high near 83. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Tonight: Isolated showers before midnight. Mostly clear, with a low around 68. Northeast wind 5 to 9 mph. Chance of precipitation is 20%.

Saturday: Isolated showers after noon. Sunny, with a high near 80. Calm wind becoming east northeast 5 to 9 mph. Chance of precipitation is 20%.

Kaunakakai

Today: Sunny, with a high near 87. Breezy, with an east southeast wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 25 mph.

Tonight: Isolated showers after midnight. Partly cloudy, with a low around 72. East wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Saturday: Isolated showers before noon. Mostly sunny, with a high near 84. Breezy, with an east southeast wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 25 mph. 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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