Hawaii County climate forecast is June 30, 2021

Hilo

Today: Showers likely, mostly before noon. Mostly cloudy, with a peak near 83. Light and changeable wind that blows between 5 and 11 km / h from east-northeast in the morning. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Tonight: Showers likely. Cloudy with a low of about 66. Calm wind that blows about 10 km / h from the west after midnight. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Thursday: Showers likely, mostly before noon. Mostly cloudy with a high near 83. West winds 5 to 11 mph turning east-northeast in the afternoon. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Kona

Today: A few showers after noon. Partly sunny with a high near 79. Northeasterly winds 5 to 9 mph turning southwest in the morning. The probability of precipitation is 20%.

Tonight: A few showers, mostly before midnight. Mostly cloudy with a minimum of around 65. Northwest winds 5 to 11 mph, which become calm in the evening. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

THE ARTICLE CONTINUES BELOW THE ADVERT

Thursday: single showers. Partly sunny, with a high close to 79. Calm wind from west-southwest 5 to 11 mph. The probability of precipitation is 20%.

Waimea

THE ARTICLE CONTINUES BELOW THE ADVERT

Today: A few showers, mostly before 1 p.m. Mostly cloudy, with a peak near 78. Breeze, with a northeast wind of about 27 km / h, with gusts of up to 38 km / h. The probability of precipitation is 40%. New rainfall levels of less than a tenth of an inch possible.

Tonight: A few showers, mostly after 7pm. Mostly cloudy with a minimum of about 58. Breezes, with northeasterly winds of 14 to 25 mph, with gusts of up to 35 mph. The probability of precipitation is 40%. New rainfall levels of less than a tenth of an inch possible.

Thursday: A few showers, mostly before 1 p.m. Mostly cloudy, peaking near 78th breezes, with northeasterly winds of 15 to 27 mph, with gusts of up to 24 mph. The probability of precipitation is 40%. New rainfall levels of less than a tenth of an inch possible.

Kohala

THE ARTICLE CONTINUES BELOW THE ADVERT

Today: Showers likely, mostly before noon. Cloudy, with a peak near 64. Breeze, with an easterly wind of 18 to 32 km / h, with gusts of up to 42 km / h. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Tonight: Showers likely. Cloudy, with a low of about 53. Breeze, with an easterly wind of 16 to 34 km / h, with gusts of up to 45 km / h. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Thursday: Showers likely, mostly before noon. Cloudy, with a peak near 64. Breeze, with an easterly wind of 20 to 35 km / h, with gusts of up to 50 km / h. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Southern big island

Today: Mostly sunny, with a high near 84. Windy, with easterly winds of 22 to 42 mph, with gusts of up to 53 mph.

Tonight: A few showers after midnight. Partly cloudy, with a low point around 74. Windy, with easterly winds 21 to 24 mph, with gusts of up to 50 km / h. The probability of precipitation is 20%.

Thursday: A few showers before noon. Mostly sunny, with a high near 84. Windy, with easterly winds of 20 to 24 miles per hour, with gusts of up to 50 miles per hour. The probability of precipitation is 20%.

Feedback

Today: Showers likely, mostly before noon. Cloudy with a high near 82. West-northwest winds 8-10 mph turning northeast in the morning. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Tonight: Showers likely. Cloudy with a low of about 64. Northeasterly winds 5 to 8 mph will be calm. The probability of precipitation is 70%. New levels of precipitation between a tenth and a quarter of an inch are possible.

Thursday: Showers likely, mostly before noon. Cloudy with a high near 82. Northwest winds 6-11 mph turning northeast in the afternoon. The probability of precipitation is 70%. New rainfall levels of less than a tenth of an inch possible.

Waikoloa

Today: Mostly sunny with a high near 84. Northeasterly winds 8 to 21 mph.

Tonight: Mostly clear with a low of about 66 easterly winds 7-11 miles per hour.

Thursday: Mostly sunny, with a high near 84. Northeasterly winds 6 to 11 mph.

Summary

During the holiday weekend, breezy trade winds from the east are expected as the high pressure increases in the northeast. Any showers that develop will favor windward and mauka areas, mainly during the night and early morning periods when pockets of moisture flow through. With the exception of the Kona slopes of the Big Island, drought conditions will persist in the leeward areas in the afternoons with little to no rainfall expected.

discussion

The guidelines continue to be in good agreement, showing the strengthening of the subtropical ridge in the north from today through Thursday as a weak trough dissolves far northwest of the area. The trades will react today and move into the moderate to airy category that should last through the bank holiday weekend. Clouds and showers will favor windward and mauka locations, with the best chances being overnight in the early hours of the morning when pockets of moisture flow through. Dry and stable conditions at high altitude combined with a strong subsidence inversion should limit the accumulations each day, with little to no expected in the dry leeward areas.

aviation

Light to locally moderate trade winds direct several bands of light showers in the direction of east-facing slopes and coasts. Early morning infrared satellite imagery shows extensive cloud cover stretching across the adjacent waters from north to east of the islands and across the northeast slopes and coasts of the Big Island.
An AIRMET for mountain darkening is currently in force for the northeast slopes of the Big Island. Conditions are expected to end around noon as daytime heating encourages lifting and clearing. In the late afternoon, all areas should have VFR conditions.
Trade wind speeds are expected to gradually increase over the next 24 hours. This, combined with a strong settlement inversion of 7 kft, will likely require an AIRMET for low turbulence later today.

marine

The winds will be fresh to locally strong in the next few days, as a high northeast of the area forms to the southwest. A Small Craft Advisory (SCA) applies to the waters around the Big Island and Maui. The SCA may need to be expanded in coverage towards the end of the week as the trade winds keep getting stronger.
A new south swell building this morning is likely to peak tonight and then slowly wear off through Friday. A major south swell is expected to arrive on Independence Day and peak late Monday through Tuesday. Surfing these waves could reach advisory levels over the holiday weekend. A small northwest swell is expected from Friday to Saturday. The intensification of the trade winds could lead to an increase in rough surf on the east-facing shores later this week.

HFO watches / warnings / notices

Small Craft Advisory until Friday 6:00 p.m. HST for Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters, Big Island Southeast Waters.

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Data courtesy of NOAA.gov

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