Weather

September 13, 2018 Weather Forecast

September 13, 2018, 7:00 AM HST
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Photo: Chris Archer

Flash Flood Warning issued September 13 at 6:22AM HST until September 13 at 9:15AM 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

A low aloft north of the islands will pass northwest of Kauai later today. Instability from this low combined with moisture from Olivia will keep the weather unsettled across the state through late tonight. A drier and a little more stable airmass will spread across the islands over the weekend, with seasonal trade wind weather returning.

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West Side

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Today: A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 88. Northeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 73. Breezy, with an east wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday: Isolated showers. 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 23 mph. Chance of precipitation is 20%.

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South Side

Today: A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 88. East northeast wind 9 to 14 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms before 7pm, then isolated showers between 7pm and 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Friday: Isolated showers after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 95. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

North Shore

Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. Breezy, with an east southeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. Breezy, with an east wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: Scattered showers, mainly before 1pm. Partly sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Central Maui

Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. Windy, with an east wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Windy, with an east northeast wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: Scattered showers, mainly before 1pm. Partly sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east northeast wind around 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.

Upcountry

Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Tonight: Showers likely and possibly a thunderstorm before 7pm, then scattered showers. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming partly cloudy, with a low around 59. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Friday: Isolated showers before 7am, then showers likely after 1pm. Increasing clouds, with a high near 78. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

East Maui

Today: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Breezy, with an east southeast wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Breezy, with an east wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 87. Breezy, with an east wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Lanai City

Today: A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 81. Breezy, with a south southeast wind 8 to 17 mph, with gusts as high as 24 mph. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 71. Breezy, with an east northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Friday: Isolated showers. Mostly sunny, with a high near 79. Breezy, with an east northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Kaunakakai

Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 88. Heat index values as high as 95. Breezy, with an east wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms before 7pm, then scattered showers between 7pm and 1am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 75. Breezy, with an east wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Scattered showers, mainly between 7am and 1pm. Mostly sunny, with a high near 88. Breezy, with an east wind 16 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.

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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