Flood in Walla Walla County, Washington

Flood March 14, 2026 – March 15, 2026 · Walla Walla County, Washington

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

What the National Weather Service wrote

The Walla Walla County dispatch reported flooding along the Touchet River in the town of Waitsburg the morning of the 14th. The dispatch center relayed that a levee near the Preston Ave bridge had been breached, leading to flooding of properties along the Touchet River. Several roads in the Waitsburg area were also closed, including US Highway 12, due to water over the roadway.

The wider storm

Heavy snow in the northern Blue mountains transitioned to rain the night of the 13th through the 14th, leading to rises in area rivers and streams. Portions of the Touchet river and Mill Creek eventually exceeded their banks, leading to flooding of residential areas and roadways across Columbia and Walla Walla Counties.

Began near Waitsburg (46.2744, -118.1649).

Source: NOAA Storm Events Database, event 1327917. Narratives are written by the National Weather Service forecast office that issued the report.

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