August 23, 2018 Weather Forecast

August 23, 2018, 7:00 AM HST · Updated August 23, 7:00 AM
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Photo Credit: Kalani Prince

High Surf Warning issued August 23 at 6:26AM HST until August 24 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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    Outer rain bands of Hurricane Lane are sweeping across the Big Island and Maui County this morning. Expect increasing showers spreading further northwest to Oahu and Kauai County later this morning. Expect increasing threats for flash flooding as Lane moves further northward and these heavy rain bands intensify over the islands. Hurricane Lane will likely bring life threatening conditions across Hawaii through Saturday with damaging winds, dangerous surf, coastal storm surge and intense flooding rains.

    West Side

    Today: Frequent showers. The rain could be heavy at times. High near 85. Breezy, with an east northeast wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 78. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 86. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    South Side

    Today: Frequent showers. The rain could be heavy at times. High near 90. Heat index values as high as 97. Windy, with a northeast wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 77. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 91. Heat index values as high as 101. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    North Shore

    Today: Frequent showers. The rain could be heavy at times. High near 86. Windy, with a northeast wind around 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after midnight. Some of the storms could produce heavy rainfall. Low around 78. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 88. Heat index values as high as 97. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Central Maui

    Today: Frequent showers. The rain could be heavy at times. High near 88. Heat index values as high as 95. Windy, with a north northeast wind around 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 77. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 89. Heat index values as high as 98. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Upcountry

    Today: Frequent showers. The rain could be heavy at times. High near 83. Windy, with a northeast wind 23 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after midnight. Some of the storms could produce heavy rainfall. Low around 67. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 87. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    East Maui

    Today: Frequent showers. The rain could be heavy at times. High near 84. Windy, with an east wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts in excess of 4 inches possible.

    Tonight: Tropical storm conditions possible, with hurricane conditions also possible. Frequent showers. The rain could be heavy at times. Low around 75. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers. The rain could be heavy at times. High near 87. Heat index values as high as 95. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Lanai City

    Today: Frequent showers. The rain could be heavy at times. High near 80. Breezy, with an east northeast wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 73. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 85. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.

    Kaunakakai

    Today: Frequent showers. The rain could be heavy at times. High near 89. Heat index values as high as 96. Windy, with an east northeast wind 21 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Tonight: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 79. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Friday: Tropical storm conditions expected, with hurricane conditions possible. Frequent showers and possibly a thunderstorm. High near 89. Heat index values as high as 97. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    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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