August 20, 2018 Weather Forecast

August 20, 2018, 7:00 AM HST · Updated August 20, 7:00 AM
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Photo Credit: Chris Archer

High Surf Advisory issued August 20 at 3:52AM HST until August 21 at 6:00PM HST by NWS

Our weather team will bring you any urgent weather alerts or updates as they occur. Check our breaking news section for the latest.

**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

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    A drier airmass will persist across the state through Tuesday, with trade winds strengthening. For the remainder of the week, the forecast will be highly dependent on the track and intensity of Hurricane Lane. An increase in winds and showers will be the likely result based on the latest forecast for Lane.

    West Side

    Today: Mostly sunny, with a high near 91. Heat index values as high as 98. East northeast wind 11 to 14 mph, with gusts as high as 18 mph.

    Tonight: Mostly clear, with a low around 73. Breezy, with an east northeast wind around 16 mph, with gusts as high as 22 mph.

    Tuesday: Sunny, with a high near 92. Heat index values as high as 100. Breezy, with an east northeast wind around 16 mph, with gusts as high as 22 mph.

    South Side

    Today: Isolated showers after noon. Mostly sunny, with a high near 91. Heat index values as high as 97. East wind 7 to 10 mph. Chance of precipitation is 20%.

    Tonight: Isolated showers before 7pm. Mostly clear, with a low around 72. East northeast wind around 10 mph. Chance of precipitation is 20%.

    Tuesday: Sunny, with a high near 92. Heat index values as high as 98. East northeast wind around 9 mph becoming south in the morning.

    North Shore

    Today: Isolated showers before 11am. Mostly sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Tonight: Isolated showers before midnight. Partly cloudy, with a low around 73. Breezy, with an east northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Tuesday: Sunny, with a high near 91. Heat index values as high as 98. Breezy, with an east wind 16 to 20 mph, with gusts as high as 28 mph.

    Central Maui

    Today: Isolated showers before noon. Mostly sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Tonight: Mostly clear, with a low around 71. Breezy, with an east northeast wind around 15 mph, with gusts as high as 21 mph.

    Tuesday: Sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph.

    Upcountry

    Today: Mostly sunny, with a high near 77. East northeast wind 8 to 11 mph.

    Tonight: Mostly clear, with a low around 59. East northeast wind around 11 mph.

    Tuesday: Sunny, with a high near 78. East wind 9 to 11 mph.

    East Maui

    Today: Scattered showers. Partly sunny, with a high near 85. East northeast wind 10 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Tonight: Scattered showers. Mostly cloudy, with a low around 70. East northeast wind around 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday: Scattered showers. Partly sunny, with a high near 86. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Lanai City

    Today: Mostly sunny, with a high near 79. Breezy, with an east northeast wind 9 to 18 mph, with gusts as high as 25 mph.

    Tonight: Isolated showers before midnight. Mostly clear, with a low around 69. Breezy, with a northeast wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Tuesday: Sunny, with a high near 77. Breezy, with an east northeast wind 15 to 17 mph, with gusts as high as 24 mph.

    Kaunakakai

    Today: Mostly sunny, with a high near 88. Breezy, with an east northeast wind 9 to 15 mph, with gusts as high as 21 mph.

    Tonight: Mostly clear, with a low around 74. East northeast wind around 14 mph, with gusts as high as 18 mph.

    Tuesday: Sunny, with a high near 87. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph.

    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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