Hawaii County climate forecast is June 03, 2021

Photo credit: James Grenz

Hilo

Today: single showers. Mostly sunny, peaking near 84. Calm wind blowing east-northeast at 5 to 8 miles per hour in the afternoon. The probability of precipitation is 20%.

Tonight: A few showers. Mostly cloudy, with a low of about 64. Northeast wind with about 10 km / h is calm. The probability of precipitation is 20%.

Friday: single showers. Mostly sunny, with a high near 83. East winds 5 to 9 mph. The probability of rainfall is 20%.

Kona

Today: Mostly sunny, peaking near 80. Calm wind blowing 5 to 8 miles per hour from west-northwest in the morning.

Tonight: Partly cloudy, with a low of about 63. West-northwest winds 3 to 10 km / h.

THE ARTICLE CONTINUES BELOW THE ADVERT

Friday: A few showers after noon. Partly sunny, with a peak near 80. West winds around 10 km / h will be calm in the afternoon. The probability of precipitation is 20%.

Waimea

THE ARTICLE CONTINUES BELOW THE ADVERT

Today: single showers. Mostly sunny, with a high near 79. Windy, with northeasterly winds of 18-23 mph, decreasing to 11-25 mph in the afternoon. Winds can blow up to 32 miles per hour. The probability of precipitation is 20%.

Tonight: A few showers. Mostly cloudy, with a low of about 56. East winds 11 to 13 mph. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Friday: A few showers, mostly before noon. Mostly sunny, with a peak near 79. East-northeast wind around 22 km / h, with gusts of up to 18 km / h. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Kohala

THE ARTICLE CONTINUES BELOW THE ADVERT

Today: a few showers. Partly sunny, with a high near 65. Windy, with east-northeast winds of 17 to 24 mph, with gusts of up to 54 mph. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Tonight: A few showers. Mostly cloudy, with a minimum of about 51. Breeze, with an easterly wind of about 30 km / h, with gusts of up to 40 km / h. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Friday: A few showers. Partly sunny, with a peak near 65. Windy, with an easterly wind of 18 to 32 km / h, with gusts of up to 45 km / h. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Southern big island

Today: Mostly sunny, with a peak near 83. Windy, with easterly winds of 20 to 35 km / h, with gusts of up to 45 km / h.

Tonight: Partly cloudy, with a minimum of about 72. Breeze, with an east-northeast wind of 20 to 35 km / h, with gusts of up to 45 km / h.

Friday: Sunny, with a high near 83. Windy, with an easterly wind around 23 mph, with gusts up to 45 mph.

Feedback

Today: A few showers, especially before noon. Partly sunny with a peak near 83. Northeast winds 9-11 mph. The probability of precipitation is 40%. New rainfall levels of less than a tenth of an inch possible.

Tonight: A few showers. Mostly cloudy, with a low of about 62. North-northeast winds 9 to 11 mph. The probability of precipitation is 40%. New rainfall levels of less than a tenth of an inch possible.

Friday: A few showers. Partly sunny, with a peak near 82. Northeast winds 10 to 23 km / h, with gusts of up to 32 km / h. The probability of precipitation is 30%. New rainfall levels of less than a tenth of an inch possible.

Waikoloa

Today: Sunny, peaking near 85. East winds 5 to 13 miles per hour turning north-northwest in the afternoon.

Tonight: Mostly clear, with a low of about 64. East-northeast wind about 10 km / h.

Friday: Sunny, with a high near 85. North winds at 10 km / h.

Summary

The remains of a front will bring a surge in showers mainly on the windward sides of Kauai, Oahu and Molokai through Friday. The high pressure building north of the state will maintain moderate trade that will get breezy this weekend, with typical trade wind weather expected for the weekend and early next week.

discussion

Some minor changes to the forecast this morning, but the overall forecasting philosophy remains the same.
A dissolving front is approaching Kauai this morning, with some of the associated clouds expected to hit Kauai in the next few hours. Expect an increase in shower activity, especially over the windward side, when these clouds are coming in. Lihue and Hilo night soundings both show increases in separable water (PW) since yesterday afternoon, with Lihue reporting 1.44 inches on the high end of normal for June and Hilo reporting 1.32 inches, which is almost normal. Satellite-derived PW shows the moisture leading edge over Kauai and Oahu at 3 a.m.
The frontal remains are expected to reach Oahu this afternoon and could make it to Molokai later today. Expect clouds and showers to rise. Moderate trade winds are expected for today. Kauai could see an increase in winds behind the feature, but as the front continues to dissolve as it progresses, not a large increase is expected over the remaining islands.
Only a minor change in weather is expected on the rest of the islands. Over the weekend, expect surface hypertension to intensify and build up far north of the state. This will lead to an increase in trade winds, with some local breezy winds entering over the area. A ridge remains, which leads to typical trade winds with clouds and showers that favor windward areas.

aviation

A high pressure ridge north of the Hawaiian Islands is forecast to hold moderate to breezy trade winds through Friday. A convergent band of clouds, remnants of an old frontal boundary, will drift into the western islands this morning. Expect increasing MVFR conditions with sporadic to numerous showers, especially over windward airfields.
AIRMET Sierra in effect for Tempo Mountain Obscuration due to increasing clouds and showers for Oahu and Kauai. The wind speeds will also increase a little today, whereby AIRMET Tango will probably ensure low moderate turbulence south to west of the island mountains.

marine

High pressure north of the islands will maintain fresh to locally strong trade winds. A Small Craft Advisory for the waters around Maui County and the Big Island will continue over the next few days. The remains of a front line will bring increasing showers to the waters of Kauai and Oahu today and Friday.
A north-west swell will subside to this day. A second small north-west swell will bring a little swell for surfing on Saturday. The surf on the south coast can pick up on Fridays and weekends when a couple of small, long south swells sweep the islands. The surf on the east coast will increase as trade over and upstream of the state increases over the weekend.

HFO watches / warnings / notices

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

Data courtesy of NOAA.gov

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