Hawaii faces flash flooding as third Kona Low in a month soaks islands in torrential rainfall
According to the FOX Forecast Center, Maui recorded several inches of rain Wednesday and the Big Island saw nearly a foot, with the downpours set to continue through Friday afternoon.
Hawaii faces flash flooding as third Kona Low in a month soaks islands in torrential rainfall
EVEN MORE RAIN 🌧️: Hawaii is facing a renewed threat of flash flooding as another storm system brings several inches of rain to the already water-logged islands. This comes less than a month after back-to-back Kona Lows drenched Hawaii, causing dangerous flash flooding on Maui and Oahu.
Hawaii is facing a renewed threat of flash flooding as another storm system brings several inches of rain to the already water-logged islands.
This comes less than a month after back-to-back Kona Lows drenched Hawaii, causing dangerous flash flooding on Maui and Oahu. Now, another storm is pounding the region and has triggered additional flash flooding.
Widespread flooding across Oʻahu has kept the Honolulu Fire Department stretched, with crews carrying out numerous evacuations and water rescues as rising waters impact communities.
(Honolulu Fire Department / FOX Weather)
There was a brief dry spell across the Hawaiian islands after a wet Saturday, but more rain is expected Sunday, according to the FOX Forecast Center.
Another 5 to 8 inches of rain is possible Sunday night.
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Since Tuesday, over a foot of rain has been reported across several islands.
(FOX Weather)
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Flood Watches have been issued across all the Hawaiian islands through Monday as more widespread rain is expected.
The heaviest of the rain will be across the Big Island, where 1 to 2 inches is expected, with heavier totals in the higher elevations. The other islands will generally see 1 to 2 inches.
(FOX Weather)
These conditions could lead to significant flash flooding, as well as overflowing streams and drainage systems.
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Road closures are possible, along with property damage in urban and low-lying areas due to rapid runoff and landslides in steep terrain, the FOX Forecast Center said.
Massive Boulders Block Highway As Heavy Rain Comes Down On Hawaii
Kamehameha Highway in Waimea Bay, Hawaii was closed after two large boulders fell from the slope above the highway due to heavy rain brought on by a slow-moving system lingering over the Aloha State. The Hawaii Department of Transportation went to work to remove any other loose materials from the slope and highway to ensure the safety of travelers.
On Saturday, heavy rain caused a rockslide on Oahu, sending two massive boulders crashing onto a major highway and forcing a full closure.
(FOX Weather)
The rain comes on the back of the wettest month on record for some areas in Hawaii.
Kahului on Maui recorded 21.11 inches of rain in March alone, marking its wettest month in over 110 years. Honolulu recorded its fourth-wettest March on record, with 13.61 inches last month.
(FOX Weather)
Because the grounds are already soaked with moisture, additional rain fuels the flash flooding threat, the FOX Forecast Center said.
The Kona Lows in March caused homes and buildings to collapse and be swept away by flooding.
COUPLE RECOUNTS BEING STRANDED ON BEACH FOR 24 HOURS DURING CATASTROPHIC HAWAII FLOODING
![Debris left behind by torrential flooding across North Shore of Oahu.]()
Image 1 of 10Debris left behind by torrential flooding across North Shore of Oahu. (Robert Ray/FOX Weather)
![A collapsed structure on a road on O'ahu in Honolulu County on Friday, March 20, 2026.]()
Image 2 of 10A collapsed structure on a road on O'ahu in Honolulu County on Friday, March 20, 2026. (Honolulu Fire Department/Facebook)
![Honolulu Fire Department drives through floodwaters while responding to emergencies.]()
Image 3 of 10Honolulu Fire Department drives through floodwaters while responding to emergencies. (Honolulu Fire Department/Facebook)
![Flooding rises to the decks of some homes on O'ahu on Friday, March 20, 2026.]()
Image 4 of 10Flooding rises to the decks of some homes on O'ahu on Friday, March 20, 2026. (Honolulu Fire Department/Facebook)
![Flooding collapsed a building, pushing into a bridge on O'ahu.]()
Image 5 of 10Flooding collapsed a building, pushing into a bridge on O'ahu. (Honolulu Fire Department/Facebook)
![A flooded home on O'ahu.]()
Image 6 of 10A flooded home on O'ahu. (Honolulu Fire Department/Facebook)
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Image 7 of 10Widespread flooding across Oʻahu has kept the Honolulu Fire Department stretched, with crews carrying out numerous evacuations and water rescues as rising waters impact communities. (Honolulu Fire Department)
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Image 8 of 10Widespread flooding across Oʻahu has kept the Honolulu Fire Department stretched, with crews carrying out numerous evacuations and water rescues as rising waters impact communities. (Honolulu Fire Department)
![Debris left behind by torrential flooding across North Shore of Oahu.]()
Image 9 of 10Debris left behind by torrential flooding across North Shore of Oahu. (Robert Ray/FOX Weather)
![Debris left behind by torrential flooding across North Shore of Oahu.]()
Image 10 of 10Debris left behind by torrential flooding across North Shore of Oahu. (Robert Ray/FOX Weather)
Numerous communities were evacuated due to a Flash Flood Emergency, including Waialua and Haleiwa on Oahu's northern shore.
Roads and bridges were damaged, and people were forced to seek shelter on their roofs during the worst of the flooding.
HAWAII RECOVERS FROM DEVASTATING FLOODS AFTER BACK-TO-BACK KONA LOW SYSTEMS DRENCH STATE
Worst flooding in 20 years slams Hawaii as recovery continues from devastating damage
ON THE GROUND IN HAWAII: FOX Weather Correspondent Robert Ray continues his coverage in Hawaii, reporting the ground truth after residents and tourists experienced historic rainfall that has left homes and businesses damaged by some of the worst flooding in 20 years.
Hawaii Governor Josh Green called it the worst flood the state had seen in 20 years and estimated that the storms could potentially cost up to $1 billion in damages.
Stay with FOX Weather for the latest forecast out of Hawaii.