July 30, 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

Moderate trade winds will pick up tonight a become breezy from Tuesday through Thursday as disturbances passing to the south tighten the pressure gradient over the islands. Showers will be somewhat active through tonight then decrease in intensity on Tuesday, while high clouds continue to stream overhead at times. Another increase in shower activity is expected on the Big Island on Wednesday. Showers in the trade wind flow may become enhanced again during the weekend.

Hilo

This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. East wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Frequent showers. Low around 70. East wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Frequent showers, with thunderstorms also possible after noon. High near 85. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Kona

This Afternoon: Scattered showers and thunderstorms. Widespread haze. Partly sunny, with a high near 82. West southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers. Widespread haze. Mostly cloudy, with a low around 69. West southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday: Scattered showers and thunderstorms after noon. Widespread haze. Partly sunny, with a high near 82. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Waimea

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers likely. Mostly cloudy, with a low around 62. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 81. Breezy, with a northeast wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Kohala

This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Windy, with an east wind 23 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Frequent showers. Low around 57. Very windy, with an east wind 29 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Frequent showers, with thunderstorms also possible after noon. High near 67. Windy, with an east wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

South Point

This Afternoon: Scattered showers and thunderstorms. Widespread haze. Partly sunny, with a high near 87. Windy, with an east wind around 24 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers, mainly before midnight. Widespread haze. Partly cloudy, with a low around 78. Windy, with an east northeast wind 22 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Isolated showers, with thunderstorms also possible after noon. Widespread haze. Mostly sunny, with a high near 87. Windy, with an east wind 22 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Puna

This Afternoon: Showers likely and possibly a thunderstorm. Widespread haze. Mostly cloudy, with a high near 84. East northeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Frequent showers. Widespread haze. Low around 68. East northeast wind 5 to 9 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: Frequent showers, with thunderstorms also possible after noon. Widespread haze. High near 84. North northwest wind 5 to 13 mph becoming northeast in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Waikoloa

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Northwest wind around 7 mph becoming northeast. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Scattered showers before midnight. Partly cloudy, with a low around 70. East northeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Scattered showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a northeast wind 9 to 14 mph increasing to 15 to 20 mph. Winds could gust as high as 28 mph. Chance of precipitation is 30%. 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