Flash Flood Warning Issued for Maui as Heavy Rain Impacts Mount Haleakala
This alert is no longer in effect.
NOAA issued it on April 6, 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.
A Flash Flood Warning is in effect for the island of Maui until 8:00 PM HST Friday, with rainfall rates up to 2.5 inches per hour reported near Mount Haleakala.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Maui, Hawaii
- Issued
- April 6, 2026
- Issuing authority
- NWS Honolulu HI
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 Maui, Hawaii.
Alert Details
The National Weather Service in Honolulu has issued a Flash Flood Warning for the island of Maui. This alert is classified as a severe threat with immediate urgency, as flash flooding is ongoing or expected to begin shortly.
Affected Areas
The warning covers the entire island of Maui in Maui County. Specific areas of concern include the south-facing slopes of Mount Haleakala, where Ukumehame Gulch has already risen significantly due to heavy precipitation.
What You Should Do
Residents and visitors in the warning area are advised to stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Be aware that flooding can occur in drainages, roads, and other low-lying areas. Public road closures are possible, and those in steep terrain should remain alert for potential landslides.
Expected Conditions
At 5:37 PM HST, radar indicated heavy rain falling over Maui at a rate of 1 to 2.5 inches per hour. The heaviest rainfall is concentrated over the southern slopes of Mount Haleakala. These conditions are likely to cause rapid flooding of streams and urban areas.
Timeline
The Flash Flood Warning was issued at 5:37 PM HST on March 13 and is currently scheduled to expire at 8:00 PM HST on March 13.
Original source: NOAA Official Notice ↗
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