Flood in Yukon Delta Coast, Alaska

Flood May 22, 2026 – May 27, 2026 · Yukon Delta Coast, Alaska

$5K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The NWS River Watch team reported that thick, bank-to-bank river ice became severely restricted downriver, forcing the river to back up several feet over the weekend at Mountain Village causing flooding of low-lying areas. Water levels continued a slow, steady rise through Monday evening (May 25th).

The wider storm

As the third week of May 2026 unfolded, the dynamic breakup front stalled repeatedly along the Lower Yukon, creating a cascading sequence of severe jams and flooding. This period involved massive downstream surges as well as backwater effects in tributaries like the Andreafsky and Chuilnuk.

Began near Mountain Village (62.0417, -164.0632).

Source: NOAA Storm Events Database, event 1340710. Narratives are written by the National Weather Service forecast office that issued the report.

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