Flash Flood Warning Issued for Hawaii Island as Heavy Rain Impacts Kona Slopes

Source: NOAA · Hawaii Island, HI

This alert is no longer in effect.

NOAA issued it on March 31, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued an immediate Flash Flood Warning for the Big Island of Hawaii as heavy rain impacts the Kona western slopes, creating a risk of landslides and road closures.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Hawaii Island, HI
Issued
March 31, 2026
Issuing authority
NWS Honolulu

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Hawaii Island, HI.

Alert Details

The National Weather Service in Honolulu has issued a Flash Flood Warning for the island of Hawaii in Hawaii County. This alert is an immediate call to action due to radar-indicated heavy rainfall that is likely to cause flash flooding in the region.

Affected Areas

The warning specifically covers the island of Hawaii. Locations expected to experience flash flooding include:

  • Kailua-Kona
  • Captain Cook
  • Kealakekua
  • Kainaliu
  • Honaunau
  • Honalo
  • Kahaluu-Keauhou
  • Holualoa
  • Kalaoa
  • Pohakuloa Training Area
  • Kona International Airport
  • Milolii
  • Hawaii Volcanoes Park Kahuku Unit

What You Should Do

Residents and travelers in the affected areas are advised to stay away from streams, rivers, drainage ditches, and culverts, even if they appear dry at this time. Be prepared for potential public road closures and exercise extreme caution in steep terrain where landslides are possible.

Expected Conditions

At 6:04 PM HST, weather radar indicated heavy rain falling over the Kona western slopes of the Big Island. Rain is falling at a rate of 1 to 2 inches per hour. Hazards include flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Flash flooding is either currently ongoing or expected to begin shortly.

Timeline

The Flash Flood Warning was issued at 6:04 PM HST on March 14 and is currently scheduled to remain in effect until 7:45 PM HST on March 14.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued an immediate Flash Flood Warning for the Big Island of Hawaii as heavy rain impacts the Kona western slopes, creating a risk of landslides and road closures.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Hawaii Island, HI. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.