July 31, 2018 Weather Forecast

Photo: James Grenz

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: Hawaii Island high/low forecasted temperatures, projected winds, projected localized weather conditions and expected wave heights.**

Looking Ahead

High pressure north of the state will keep breezy trade winds in place through Friday. Showers will remain a bit more active than normal over portions of the state today. A fairly typical trade wind shower regime is then expected tonight through Thursday night, although windward Big Island may remain a bit more showery tonight and Wednesday as a disturbance passes by to the south. An upper level trough is expected to bring an increase in shower coverage and intensity late Friday through the weekend. A drier trade wind pattern is forecast to overspread the state early next week.

Hilo

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 85. East northeast wind 6 to 11 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Occasional showers. Low around 69. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: Occasional showers, mainly before noon. High near 84. Southwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Kona

This Afternoon: Scattered showers and thunderstorms. Widespread haze. Partly sunny, with a high near 81. West southwest wind 6 to 8 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 68. West wind around 6 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: Scattered showers, mainly after noon. Widespread haze. Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Waimea

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 80. Breezy, with a northeast wind around 22 mph, with gusts as high as 31 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. Mostly cloudy, with a low around 61. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday: Scattered showers, mainly before noon. Partly sunny, with a high near 81. Windy, with a northeast wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Kohala

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 66. Very windy, with an east wind 29 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Occasional showers. Low around 56. Very windy, with an east wind 31 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 67. Very windy, with an east wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

South Point

This Afternoon: Isolated showers and thunderstorms. Widespread haze. Mostly sunny, with a high near 86. Windy, with an east wind around 26 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

Tonight: Scattered showers, mainly after midnight. Widespread haze. Mostly cloudy, with a low around 77. Windy, with an east northeast wind around 26 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Scattered showers. Widespread haze. Partly sunny, with a high near 87. Windy, with an east northeast wind 26 to 28 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Puna

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with a northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Occasional showers. Low around 67. North northwest wind 7 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday: Occasional showers, mainly before noon. High near 83. North wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Waikoloa

This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Windy, with an east northeast wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Partly cloudy, with a low around 69. Windy, with an east wind 16 to 23 mph, with gusts as high as 32 mph.

Wednesday: Mostly sunny, with a high near 87. Windy, with an east northeast wind 17 to 22 mph increasing to 24 to 29 mph. Winds could gust as high as 41 mph.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Data Courtesy of NOAA.gov