March 23, 2018 Weather Forecast

Photo: James Grenz

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

Looking Ahead

Cloudy conditions with breezy trades will continue today. Enhanced showers will develop as an upper level trough approaches the islands from the west. Most shower activity will remain focused along windward and mauka areas from Molokai to the Big Island with enhanced showers developing over the entire island of Kauai and Oahu. Rain shower coverage will trend higher later tonight into Saturday with heavy showers and isolated thunderstorms spreading eastward across the state. Rainy conditions will continue through Sunday afternoon with improving conditions spreading from west to east from Sunday night into Monday morning. Lighter winds and drier conditions are forecast for the first half of next week.

Hilo

Today: Scattered showers. Cloudy, with a high near 79. West wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after 7pm. The rain could be heavy at times. Cloudy, with a low around 64. Light and variable wind becoming south southwest around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday: Showers likely, then occasional showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Widespread haze after 1pm. High near 79. Breezy, with a south southeast wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Kona

Today: Isolated showers before 7am, then scattered showers after 1pm. Widespread haze. Cloudy, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. The rain could be heavy at times. Widespread haze. Cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday: Showers likely, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. Widespread haze. Cloudy, with a high near 78. Light and variable wind becoming south 8 to 13 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Waimea

Today: Scattered showers, mainly after 1pm. Cloudy, with a high near 71. Breezy, with a northeast wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Scattered showers. The rain could be heavy at times. Cloudy, with a low around 54. North northeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%. New precipitation amounts between three quarters and one inch possible.

Saturday: Scattered showers, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Widespread haze after 1pm. Cloudy, with a high near 71. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Kohala

Today: Showers likely, mainly after noon. Cloudy, with a high near 66. Breezy, with an east wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. The rain could be heavy at times. Cloudy, with a low around 46. Breezy, with an east wind 5 to 15 mph becoming west southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday: Showers likely, then occasional showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Widespread haze after noon. High near 66. Very windy, with a southwest wind 8 to 18 mph increasing to 21 to 31 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

South Point

Today: Isolated showers. Widespread haze. Cloudy, with a high near 78. Windy, with an east northeast wind around 24 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. The rain could be heavy at times. Widespread haze. Cloudy, with a low around 72. Windy, with an east northeast wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Scattered showers, then occasional showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Widespread haze before noon. High near 78. East northeast wind 6 to 14 mph becoming south southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Puna

Today: Scattered showers. Cloudy, with a high near 78. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Showers likely. The rain could be heavy at times. Cloudy, with a low around 62. Calm wind becoming south southwest 5 to 8 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday: Showers likely, then occasional showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Widespread haze before noon. High near 78. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Waikoloa

Today: Isolated showers after noon. Cloudy, with a high near 78. East wind 5 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

Tonight: Scattered showers. The rain could be heavy at times. Cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Widespread haze after noon. Cloudy, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters 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