Glenn James
Hawaii Weather Today
Creator, Author, and Administrator for 30 years

 

I have limited ability to do any updating…as the power is still off

 

Lala is now a tropical Storm…more information down the page from here

 

The latest update to this website was at 526pm Sunday evening HST


Here are the latest 24-hour precipitation totals (inches) for each of the islands Sunday evening: 

11.25  Kilohana, Kauai
10.82  Manoa Lyon Arboretum, Oahu
7.59  Puu Alii, Molokai
4.11  Lanai City, Lanai
14.89  Summit, Maui
26.94  Nene Cabin, Big Island!


The following numbers represent the strongest wind gusts (mph) Sunday evening: 

31  Waimea Heights, Kauai – NE 
38  Kii, Oahu – E 
24  Molokai AP, Molokai – ENE
m   Lanai – m
29  Na Kula, Maui – NE
24  Hilo AP, Big Island – NE


Hawaii’s Mountains – Here’s a link to the live webcam on the summit of our tallest mountain Mauna Kea (~13,800 feet high) on the Big Island of Hawaii. Here’s the webcam for the (~10,023 feet high) Haleakala Crater on Maui (out of operation). These webcams are available during the daylight hours here in the islands, and at night whenever there’s a big moon shining down. Also, at night you will be able to see the stars, and the sunrise and sunset too…depending upon weather conditions.

Big Blue…click twice for largest version

 

https://cdn.star.nesdis.noaa.gov/GOES18/ABI/SECTOR/tpw/13/GOES18-TPW-13-900x540.gif

  Tropical cyclone 01C (Lala) southwest of Kauai

 

https://www.nhc.noaa.gov/storm_graphics/CP01/refresh/CP012026_5day_cone+png/150554_5day_cone.png

https://cdn.star.nesdis.noaa.gov/GOES18/ABI/SECTOR/hi/GEOCOLOR/20262281740-20262290130-GOES18-ABI-HI-GEOCOLOR-600x600.gif

Counter-clockwise rotating clouds associated with
Tropical Cyclone Lala now to the southwest of Kauai  

 

time of arrival graphichttps://weather.gc.ca/data/satellite/goes_gwdisk11_1070_100.jpg

https://radar.weather.gov/ridge/standard/HAWAII_loop.gif

https://radar.weather.gov/ridge/standard/PHKI_loop.gif

https://radar.weather.gov/ridge/standard/PHKM_loop.gif

Localized showers…many are heavy 

 

https://www.weather.gov/wwamap/png/hfo.png

Please open this link to see details on any current Watches, Warnings and Advisories noted above




~~~ Hawaii Weather Narrative ~~~

 

Glenn’s Sunday comments:  I’m at home here in upper Kula, Maui, Hawaii

435pm, working on one small laptop screen, and on limited battery power, although I’ll do my best to do what I can, in keeping current information coming to you.

 

 

Hawaii’s Weather Highlights…as of Sunday evening: Tropical Storm Lala is moving away to the west but will continue to affect the west end of the state . Areas of damaging winds may persist, mainly across Kauai County, and the threat of heavy flooding rainfall will continue on most island

As Lala moves west of Kauai tonight and Monday, strong easterly winds will slowly diminish, and the threat of flooding will decrease. Trade wind flow will prevail Tuesday through Thursday, after which time winds will veer to east-southeast.

Weather Narrative..as of Sunday evening: Radar and satellite show widespread showers, some quite heavy, across most islands. The heaviest showers have been over eastern Maui, eastern Oahu, northern Big Island, and most of Kauai County. Total rainfall has been extreme, with over 35 inches on Big Island, 10 to 15 inches on Maui, 5 to 10 inches on Molokai, Lanai, and Oahu, and 10 to 15 inches on Kauai.

Wind damage (roofs off, trees down, power lines down, etc) has been widespread, but speeds are decreasing and should decrease more through the night. Although overall rainfall areal coverage is trending down, significant heavy rain continues in strong convective showers and even a few thunderstorms.

Tropical Storm Lala continues to move away to the west, well southwest of Kauai. Tropical storm warnings remain for Kauai County, but have been cancelled for all other islands. A Flash Flood Watch remains for all islands except Big Island.

As Lala departs to the west, winds will ease to moderate to locally breezy trades. Windward areas may remain wet with some risk for flooding due to a band of moisture trailing Lala. Precipitable moisture will remain a little higher than normal through the upcoming week, leading to relatively wet trades. These trades will veer to east-southeasterly Thursday night, and remain that way through next weekend. This will slightly shift the “windward” areas late in the week.

https://www.weather.gov/images/hfo/graphics/npac.gif


Here’s a near real-time Wind Profile of the Pacific Ocean – along with a Closer View of the islands / Here’s the latest Weather Map / Looping Surface Precipitation…through the next 8-days / Vog Map

 

Marine Conditions…as of Sunday evening: Tropical Storm Lala was moving west at 14 kts with its low level center located approximately 150 nm west-southwest of Lihue. A Tropical Storm Warning is in effect for the Hawaiian coastal waters around Kauai and a Small Craft Advisory is in effect for the coastal waters around Maui County and Oahu. Marine conditions are expected to gradually improve tonight through tomorrow.

Large east-facing shore surf produced by Tropical Storm Lala has progressed westward across the state and is currently impacting Kauai and Niihau, where a High Surf Advisory remains in effect through midnight tonight. Surf will gradually fall below advisory levels overnight as Lala progresses further west of the state.

North-facing surf will remain rough into this evening across the western end of the state as a result of this short period, Lala wind wave-driven chop in tandem with an east swell wrap.

South-facing shore surf will stay below advisory thresholds but remain elevated from a combination of lingering medium period south swell and Lala short period east swell through this evening. Longer period south swell energy generated from gales just south and east of New Zealand will begin arriving late this week.

 

>>> Highest Temperature Sunday, August 16, 2026 – 114 degrees at Death Valley, CA


>>> Lowest Temperature Sunday, August 16, 2026 – 31 degrees near Old Station, CA

 

Twin Wailua Waterfalls Kauai


World-wide Tropical Cyclone Activity

 


>>> Here’s a link to the latest Pacific Disaster Center’s Weather Wall



>>> Atlantic Ocean: There are no active tropical cyclones

Tropical cyclone formation is not expected during the next 7 days.

>>> Caribbean Sea: There are no active tropical cyclones

Tropical cyclone formation is not expected during the next 7 days.

>>> Gulf of America: There are no active tropical cyclones

Tropical cyclone formation is not expected during the next 7 days.

 

Northeast Pacific: 

 

>>> South of Mexico:

An area of low pressure could form several hundred miles south of the coast of southern Mexico around the middle part of the week. Gradual development of this system is possible thereafter, and a tropical depression could develop towards the end of the week or next weekend while the system moves west-northwestward, while staying south of Mexico.

* Formation chance through 48 hours…low…near 0 percent
* Formation chance through 7 days…medium…50 percent

 

>>> Western portion of the eastern Pacific:

A broad area of low pressure could form well to the southeast of the Hawaiian Islands during the middle to latter part of the week. Environmental conditions appear conducive for gradual development of this system, and a tropical depression could form towards the end of the week and into the weekend, while the system moves generally westward across the western portion of the east Pacific and into the central Pacific.

* Formation chance through 48 hours…low…near 0 percent.
* Formation chance through 7 days…medium…50 percent

 

Central North Pacific: 

Tropical Cyclone 01C (Lala)…is located about 170 miles west-southwest of Lihue, Hawaii

LALA HOLDING STEADY SOUTHWEST OF KAUAI COUNTY …OUTER BANDS OF LALA BRINGING HEAVY RAINFALL AND GUSTY WINDS TO PORTIONS OF THE MAIN HAWAIIAN ISLANDS

According to the NHC advisory number 19…

Lala is moving toward the west near 16 mph (26 km/h). A westward motion is forecast through Tuesday, followed by a turn toward the west-northwest on Wednesday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little intensity change is expected over the next day or two. Some restrengthening is forecast thereafter, and Lala could become a hurricane again by Wednesday. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 994 mb (29.36 inches).

 

>>> Northwest Pacific Ocean: There are no active tropical cyclones

https://www.metoc.navy.mil/jtwc/products/abpwsair.jpg

 

>>> Southwest Pacific Ocean: There are no active tropical cyclones

>>> North and South Indian Oceans / Arabian Sea: There are no active tropical cyclones

Here’s the link to the Joint Typhoon Warning Center (JTWC)



Interesting: Fast-Moving Wildfires Leave Forests Less Able to Recover, Study Finds

The severe, drought-fueled fires now burning across much of the American West and Canada may be scorching forests so thoroughly that they cannot recover to the forests they once were, new research shows.

A study by Colorado State University, Western Colorado University and others has found that the fastest-moving forest fires not only burn more area, but burn it more severely, leaving fewer surviving trees to reseed the landscape and opening the door to different species and vegetation types.

The study, published today in Science Advances, examined nearly 3,500 wildfires that burned in conifer forests across western North America between 2012 and 2023. The findings suggest that as conditions become more favorable for fast fire growth, forests may be increasingly pushed toward long-term ecological change rather than recovery.

“People often focus on the size of a wildfire because that’s what makes headlines,” said lead author and Western professor Jonathan Coop. “But how fires burn is as important as how much they burn. In forests, fire speed not only increases acres burned but also leads to outsized impacts to each of those acres.”

Read More: Colorado State University