Flash Flood Warning Issued for Maui as Heavy Rains Cause Life-Threatening Conditions

Source: NOAA · Maui, HI

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NWS Honolulu has extended a Flash Flood Warning for Maui until 11:00 PM HST following reports of road closures and elevated stream levels across the island.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on April 1, 2026 and geographically references Maui, HI. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flash Flood Warning, Maui) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service in Honolulu has issued an extension for a Flash Flood Warning for the island of Maui in Maui County. The warning is in effect until 11:00 PM HST on March 14, 2026.

Affected Areas

The warning covers the entire island of Maui. Specific locations expected to experience flash flooding include Kahului, Kihei, Lahaina, Kula, Pukalani, Makawao, Keokea, Haliimaile, Paia, Puunene, Haiku-Pauwela, Wailea, Pauwela, Maalaea, Huelo, Ulupalakua, Makena, Waikapu, Wailuku, and Waiehu.

What You Should Do

Residents and visitors are urged to stay away from streams, rivers, drainage ditches, and culverts, even if they currently appear dry. Do not attempt to cross fast-flowing or rising water by foot or in a vehicle. The National Weather Service reminds the public: "Turn around, don't drown." Additionally, be aware that heavy rains may trigger rock and mudslides in areas with steep terrain.

Expected Conditions

As of 7:59 PM HST, radar indicates that the heaviest rainfall has shifted toward the windward and southeast sections of Maui. Current rainfall rates are estimated between 0.5 and 1 inch per hour. Despite the decrease in intensity, runoff from previous heavy rainfall continues to keep streams at elevated levels. Emergency Management has reported that the highway near Hana is closed in both directions due to flooding, and flooding has also been reported in Lahaina. Additional flooding remains possible through the late evening hours due to ongoing runoff.

Timeline

The Flash Flood Warning is effective immediately and is scheduled to expire at 11:00 PM HST on Saturday, March 14, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Honolulu has extended a Flash Flood Warning for Maui until 11:00 PM HST following reports of road closures and elevated stream levels across the island.
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 Maui, 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.