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Tropical Depression Moke Brings Rain and Flood Risk to Hawaii Following Hurricane Lala

Tropical Depression Moke passed south of Hawaii on Sunday, bringing additional rain and flood risks to areas recently affected by Hurricane Lala.

Published August 23, 2026 at 8:40 AM EDT

The short answer

Tropical Depression Moke passed south of Hawaii on Sunday, bringing additional rain and flood risks to areas recently affected by Hurricane Lala. Tropical Depression Moke passed south of Hawaii after weakening Sunday evening, bringing continued risks of flooding and mudslides to the Big Island. The National Hurricane Center issued warnings for life-threatening conditions on Monday as the system follows closely after a previous storm.

Tropical Depression Moke Brings Rain and Flood Risk to Hawaii Following Hurricane Lala

The Facts

Who
National Hurricane Center, Hawaii Volcanoes National Park officials, and residents of the Big Island and Maui
What
Tropical Depression Moke passed south of Hawaii, causing flood concerns on the Big Island and Maui shortly after Hurricane Lala.
When
Sunday, August 23 and Monday, August 24, 2026
Where
Hawaii, specifically the Big Island and Maui
Why
The storm is bringing additional rain to areas already saturated by Hurricane Lala, increasing the risk of life-threatening flooding and mudslides.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. August 16, 2026

    Hurricane Lala passes Hawaii

  2. August 21, 2026

    Hawaii Volcanoes National Park closes in advance of Moke

  3. August 23, 2026

    Moke passes south of Big Island and weakens to a depression

  4. August 24, 2026

    Flood watch remains in effect through the afternoon

  5. August 25, 2026

    Forecasted date for Moke to dissipate

Tropical Depression Moke passed south of Hawaii after weakening Sunday evening, bringing continued risks of flooding and mudslides to the Big Island. The National Hurricane Center issued warnings for life-threatening conditions on Monday as the system follows closely after a previous storm.

The storm is the second tropical system to affect the state in a week, following the passage of Hurricane Lala. While Moke is weaker and followed a track roughly 300 miles south and southwest of the Big Island, it is passing over areas already saturated by rainfall from the previous week.

Through late Sunday night, parts of the Big Island recorded over 1 inch of rain. Forecasters expect an additional 3 to 6 inches of rainfall in limited parts of the Big Island and eastern Maui through Monday. Western Maui and the remaining islands are forecast to receive between 1 and 2 inches of rain. A flood watch remains in effect through Monday afternoon.

The impact is also felt in the public sector and tourism industry. Hawaii Volcanoes National Park remains closed indefinitely, affecting both visitors and staff. The park reported it was already without power, internet, or phone lines following Hurricane Lala, and officials stated that many employees are still in the process of personal recovery from the previous storm. The closure affects access to one of the state's major federal land assets and its associated recreational and research activities.

Looking ahead, Moke is forecast to continue weakening as it moves westward away from the islands. The National Hurricane Center expects the system to dissipate by Tuesday, though it could occur sooner. While the immediate threat of Moke is expected to conclude early this week, the restoration of utility services and the reopening of Hawaii Volcanoes National Park do not yet have confirmed dates. Residents remain under a flood watch until Monday afternoon.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

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Questions readers ask

What happened: Tropical Depression Moke Brings Rain and Flood Risk to Hawaii Following Hurricane Lala?

Tropical Depression Moke passed south of Hawaii, causing flood concerns on the Big Island and Maui shortly after Hurricane Lala.

Who is involved?

National Hurricane Center, Hawaii Volcanoes National Park officials, and residents of the Big Island and Maui

When did this happen?

Sunday, August 23 and Monday, August 24, 2026

Where did this happen?

Hawaii, specifically the Big Island and Maui

Why does this matter?

The storm is bringing additional rain to areas already saturated by Hurricane Lala, increasing the risk of life-threatening flooding and mudslides.