Hawaii
Hawaii County Weather Forecast for September 04, 2024 | Big Island Now
Hilo
Tonight: Partly cloudy in the evening then becoming mostly cloudy. Scattered showers. Lows around 72 near the shore to around 60 at 4000 feet. Northwest winds up to 10 mph. Chance of rain 50 percent.
Wednesday: Mostly cloudy. Scattered showers in the morning, then isolated showers in the afternoon. Highs around 85 near the shore to 70 to 75 at 4000 feet. Northeast winds up to 15 mph. Chance of rain 50 percent.
Wednesday Night: Mostly cloudy with scattered showers. Lows around 72 near the shore to around 60 at 4000 feet. East winds up to 10 mph. Chance of rain 50 percent.
Kona
Tonight: Partly cloudy with isolated showers. Lows around 76 near the shore to around 56 near 5000 feet. Light winds. Chance of rain 20 percent.
Wednesday: Mostly sunny in the morning then becoming mostly cloudy. Isolated showers. Highs 83 to 88 near the shore to around 70 near 5000 feet. West winds up to 10 mph. Chance of rain 20 percent.
Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Isolated showers. Lows around 76 near the shore to around 56 near 5000 feet. Light winds. Chance of rain 20 percent.
Waimea
Tonight: Partly cloudy with isolated showers. Lows around 72 near the shore to 60 to 67 near 3000 feet. East winds 10 to 15 mph. Chance of rain 20 percent.
Wednesday: Partly sunny with isolated showers. Highs around 83 near the shore to 70 to 80 near 3000 feet. East winds 10 to 15 mph decreasing to up to 15 mph in the afternoon. Chance of rain 20 percent.
Wednesday Night: Mostly cloudy with isolated showers. Lows around 72 near the shore to 60 to 67 near 3000 feet. East winds up to 10 mph. Chance of rain 20 percent.
Kohala
Tonight: Partly cloudy with isolated showers. Lows around 72 near the shore to 60 to 67 near 3000 feet. East winds 10 to 15 mph. Chance of rain 20 percent.
Wednesday: Partly sunny with isolated showers. Highs around 83 near the shore to 70 to 80 near 3000 feet. East winds 10 to 15 mph decreasing to up to 15 mph in the afternoon. Chance of rain 20 percent.
Wednesday Night: Mostly cloudy with isolated showers. Lows around 72 near the shore to 60 to 67 near 3000 feet. East winds up to 10 mph. Chance of rain 20 percent.
South Big Island
Tonight: Mostly clear. Isolated showers in the evening. Lows around 77 near the shore to around 57 near 5000 feet. Northeast winds up to 15 mph. Chance of rain 20 percent.
Wednesday: Mostly sunny. Breezy. Highs around 87 near the shore to around 74 near 5000 feet. East winds up to 20 mph.
Wednesday Night: Partly cloudy. Lows around 77 near the shore to around 57 near 5000 feet. East winds 10 to 15 mph.
Puna
Tonight: Partly cloudy in the evening then becoming mostly cloudy. Scattered showers. Lows around 72 near the shore to around 60 at 4000 feet. Northwest winds up to 10 mph. Chance of rain 50 percent.
Wednesday: Mostly cloudy. Scattered showers in the morning, then isolated showers in the afternoon. Highs around 85 near the shore to 70 to 75 at 4000 feet. Northeast winds up to 15 mph. Chance of rain 50 percent.
Wednesday Night: Mostly cloudy with scattered showers. Lows around 72 near the shore to around 60 at 4000 feet. East winds up to 10 mph. Chance of rain 50 percent.
Waikoloa
Tonight: Mostly clear. Lows around 77 near the shore to around 58 above 4000 feet. East winds up to 15 mph.
Wednesday: Sunny in the morning then becoming partly sunny. Highs around 87 near the shore to 71 to 77 above 4000 feet. Northeast winds up to 15 mph.
Wednesday Night: Mostly clear. Lows around 77 near the shore to around 58 above 4000 feet. Light winds.
Synopsis
Trade winds will ease into the light to moderate range for the second half of the week as a surface ridge weakens north of the state. Light showers will mainly favor windward and mauka areas locations, with a few afternoon interior and leeward showers possible under the lighter winds. Breezy trades return over the weekend as high pressure builds to the north.
Discussion
Satellite and radar imagery continue to show partly cloudy skies across the state this afternoon, with a few light showers moving into windward areas on the trades. The 00Z upper air soundings from Hilo and Lihue show generally stable conditions with an inversion between 5-6 kft and extensive dry air aloft. This will keep overall shower activity somewhat suppressed, with rainfall amounts on the lighter side for the next several days.
A deep-layer ridge will remain over the region, then begin to break down as an upper trough digs southeastward toward the area tonight through Wednesday. The accompanying surface front is forecast to stall several hundred miles north of the state Wednesday through the second half of the week. This pattern transition will relax the pressure gradient over the state, allowing the trades to ease into the light to moderate range and veer slightly more southeasterly. The deep-layer moisture axis and any accompanying instability will remain north of the islands for the most part, keeping the dry and stable pattern in place across the the majority of the state. Light showers will continue to favor windward and mauka areas, particularly through the overnight and morning periods. However, with the proximity of the front to the western/northern end of the island chain, stability may be weakened a bit there, allowing some showers to be on the more moderate side toward the end of the week. As the winds ease, localized sea breezes are expected, especially over the western half of the island chain. Despite the mostly stable conditions in place, some cloud build- ups and brief showers can’t be ruled out over interior and leeward sections where these sea breezes form. Breezy trades will return later this weekend and into early next week as high pressure builds back north of the region and the aforementioned moisture axis to the north diminishes.
Aviation
AIRMET Tango remains in effect for tempo moderate low-level turbulence over and downwind of the terrain of all islands. This AIRMET will remain in effect through 04Z, and then cancelled for tonight as the trade winds are expected to weaken. No other AIRMETs are in effect or expected through the night.
Marine
A front pushing into the subtropical ridge has begun to weaken our trade winds this afternoon. As a result, the Small Craft Advisory (SCA) for the windier waters and channels around Maui County and the Big Island has been canceled. Breezy trade wind conditions should return by the weekend as high pressure rebuilds to our north.
Surf along east facing shores will decrease slightly as trades ease through the rest of the week. Small background swells from the south and southwest will keep the surf from going entirely flat for south facing shores through the week. A small, medium- period northerly swell is expected to arrive Thursday night, peak Friday then slowly decline through the weekend.
HFO Watches/Warnings/Advisories
None.
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Data Courtesy of NOAA.gov
UPDATE: 11:13 a.m.
A flood advisory is in effect for Oahu until 2:15 p.m. today due to flooding caused by excessive rainfall.
At 11:09 a.m., the radar showed heavy rain developing and traveling slowly eastward over Oahu.
“The heaviest rain is currently over the western half of the island, but is expected to fill in and move over the remainder of the island over the next few hours. Rain was falling at a rate of 0.5 to 2 inches per hour,” forecasters said.
Some locations that will experience flooding include Honolulu, Waipio, Mililani, Pearl City, Waikele, Wahiawa, Wheeler Field, Waipahu, Aiea, Kunia, Halawa, Waiahole, Waikane, Schofield Barracks, Salt Lake, Kahaluu, Moanalua, Ahuimanu, Iroquois Point and Ewa Beach.
Meanwhile, the flood advisories have been extended for Hawaii County and 1:45 p.m. and Maui County until 2:30 p.m.
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At 10:30 a.m., the radar showed heavy rain moving over portions of the Puna and Kau coasts. Rain was falling at a rate of 1 to 2 inches per hour, with the heaviest rates of up to 3 inches per hour between Hawai‘i Volcanoes National Park and Pahoa, including portions of Pahoa Kalapana Road and Highway 11.
Some locations that will experience flooding include Hilo, Hawaii Volcanoes National Park, Volcano, Glenwood,
Mountain View, Wood Valley, Hawaiian Acres, Pahala, Orchidlands Estates, Keaau, Pahoa, Punaluu Beach, Kawa Flats, Papaikou, Naalehu, and Fern Forest.
At 11:04 a.m., the radar showed heavy rain over portions of eastern Maui. Rain was falling at a rate of 1 to 2 inches per hour with the highest rainfall rates in the upslope areas between Kaupo and Nahiku.
“While no significant impacts have been noted as of yet, additional rainfall over that area today is expected to produce more flooding concerns,” forecasters said.
The flood watch remains for all Hawaiian Islands.
EARLIER COVERAGE
A flood watch is in effect for all Hawaiian Islands today through Monday afternoon due to the possibility of flash flooding caused by excessive rainfall, according to the National Weather Service.
A deepening Kona low north of Kauai is expected to move southwest today and Monday before turning west. Thunderstorms and heavy showers will affect the region over the next couple days leading to the flash flood threat. Winds may strengthen to wind advisory levels Monday for lower elevations and high wind warnings on Hawaii island summits. Lingering moisture may keep rain over the state through the week.
>> Prepare for rainy weather as Kona low hits Hawaii
“Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams,” according to the forecast. “Urban areas may receive more significant flooding and property damage due to rapid runoff. Significant flooding may occur due to the overflow of streams and drainages. Landslides may also occur in areas with steep terrain.”
The greatest flood risk is along the southeastern mountain slopes of Maui and Hawaii counties as deep moisture spreads up the slopes.
The flood watch may be extended into Tuesday if weather conditions persist.
Flood advisories are also in effect for Hawaii County until 10:45 a.m. today, while Maui County will remain in effect until 11:30 a.m. today.
At 7:45 a.m. today, the Hawaii island radar indicated heavy rain traveling over portions of Puna and Kau coasts. Rain was falling at a rate of 1 to 2 inches per hour, with isolated heavier rainfall rates of 3 inches per hour between Pahala and Pahoa including areas of Pahoa Kalapana Road and Highway 11.
Some locations that will experience flooding include Hilo, Hawaii Volcanoes National Park, Volcano, Glenwood, Mountain View, Wood Valley, Hawaiian Acres, Pahala, Orchidlands Estates, Keaau, Pahoa, Punaluu Beach, Kawa Flats, Papaikou, Naalehu, and Fern Forest.
At 8:19 a.m. today, the Maui County radar showed heavy rain continuing to develop and move over the eastern portions of the island. Rain was falling at a rate of 1 to 2 inches per hour with the highest rates and totals found in the upslope areas between Kaupo and Nahiku.
Some locations that will experience flooding include Kipahulu, Kaupo, Hana, Haleakala National Park and Hamoa.
HONOLULU (KHON2) — Three of Hawaii’s Congressional Delegation released statements on Saturday, Jan.3, in response to President Trump’s overnight operation in Venezuela.
“At a time when Americans can’t afford rent, healthcare, or groceries, the Trump administration found time and money for regime change in Venezuela, risking a war that Americans don’t want. Before we spend another dollar on this reckless conflict, the American people deserve answers, including what this administration’s exit strategy is. Americans wanted help and hope in 2026, not another war,” said Tokuda.
U.S. Representative Jill Tokuda (HI-02)
Others echoed concerns about the legality of the operation, pointing to both international law and the U.S. Constitution. While acknowledging Venezuela’s political situation, some members of Hawaii’s congressional delegation said military action raises serious questions that extend beyond the actions of any one leader.
“Nicholas Maduro is an illegitimate and oppressive dictator and the people of Venezuela deserve better. But that alone doesn’t justify an armed attack on a sovereign country and forced regime change in violation of international law,” said Case. “And unless there was an imminent threat to our country, it doesn’t justify violating our Constitution and war powers law, which wisely reserves to Congress the grave decision to go to war.”
U.S. Representative Ed Case (HI-01)
Case also emphasized that Congress plays a critical role in decisions involving war and military force.
“I don’t yet know the full facts or the President’s justification to attack Venezuela, place our troops in harm’s way, capture Maduro and administer the country,” said Case. “But the precedent of any President taking our country to war arbitrarily, single-handedly and without the approval of Congress has cascading effects that are far more dangerous.”
U.S. Representative Ed Case (HI-01)
Senator Brian Schatz also weighed in, saying the operation could put American lives and interests at risk.
“President Trump is jeopardizing American lives and interests — and stating plainly that the purpose is for U.S. oil companies to make money in Venezuela. Either these companies knew about these plans in advance, or he’s ordering corporations to be a part of his effort to overthrow another government,” said Schatz. “This operation is illegal under international law and unconstitutional without prior congressional approval. The United States should not be running other countries for any reason. We should have learned by now not to get involved in endless wars and regime change missions that carry catastrophic consequences for Americans.”
U.S. Senator Brian Schatz (D-Hawai‘i)
Hawaii’s congressional lawmakers stressed that, while the situation in Venezuela is complex, military action should not be taken lightly.
“Nicolas Maduro should be held accountable for his actions, but Donald Trump’s unilateral decision to overthrow his regime does nothing to make our country safer. Instead, without any authorization from Congress or any clear plan for what comes next, Trump is plunging our nation into a conflict that could put American lives at risk while destabilizing the region and our relationships with our allies,” said Hirono. “Trump’s characteristically chaotic suggestion that the U.S is “going to run” Venezuela indefinitely, without any details, shows his disregard for the consequences of decades of misguided American intervention around the world. Trump promised to “end forever wars” and not engage in regime change. As usual, he says one thing and does another.”
U.S. Senator Mazie K. Hirono (D-HI)
With questions still surrounding the operation, Hawaii’s congressional leaders say transparency and oversight are critical moving forward. They stated that decisions of this extent should not be made without the involvement of Congress or the public.
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