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February 21, 2018 Weather Forecast

February 21, 2018, 7:45 AM HST
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Photo Credit: Asa Ellison

There are no active watches, warnings or advisories

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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

Although the brief dry spell may linger through the day today across much of the state, conditions will begin to evolve quickly tonight through the upcoming weekend as another upper disturbance moves into the area drawing deep tropical moisture northward over the state. Moist and unstable conditions with east-southeast winds will ensue across the Big Island tonight, then over the smaller islands Thursday through the weekend, with another period of heavy showers and thunderstorms expected. The wet pattern may continue into early next week, especially over the western end of the state with east-southeast winds persisting.

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West Side

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Today: Scattered showers after noon. Partly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Isolated showers. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 20%.

Thursday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

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South Side

Today: Scattered showers after noon. Mostly cloudy, with a high near 85. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

North Shore

Today: Scattered showers, mainly after noon. Partly sunny, with a high near 83. South southeast wind 6 to 14 mph becoming east in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 64. East wind 8 to 13 mph becoming light southeast. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 83. East southeast wind 6 to 13 mph becoming north northwest in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Central Maui

Today: Scattered showers after noon. Partly sunny, with a high near 83. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 62. East northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 83. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Upcountry

Today: Scattered showers after noon. Mostly cloudy, with a high near 70. West wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 70. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

East Maui

Today: Scattered showers. Mostly cloudy, with a high near 81. West wind 8 to 10 mph becoming east in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely. Mostly cloudy, with a low around 59. South southeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. Breezy, with an east southeast wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Lanai City

Today: Scattered showers after noon. Partly sunny, with a high near 78. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Isolated showers. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

Thursday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 77. Light and variable wind becoming southwest 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Kaunakakai

Today: Scattered showers after noon. Partly sunny, with a high near 79. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Isolated showers. Partly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 20%.

Thursday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

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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