Exceptional drought persists in Seattle, Washington
Exceptional drought persists in Seattle, Washington
US · Published Sep 16, 2026
Seattle, Washington is currently experiencing exceptional drought conditions, classified as D4 on the Standardized Precipitation Index (SPI) scale, with SPI values of -2.0 or less.
These conditions are characterized by significantly reduced soil moisture and streamflow levels, impacting agricultural monitoring, weather prediction, and early warning systems for drought and flooding.

Impact & Risks

The exceptional drought conditions in Seattle are causing widespread impacts. Dry vegetation and reduced soil moisture are increasing wildfire risks, with faster ignition and spread rates. Infrastructure such as roads, rail lines, and airport runways are vulnerable to higher temperatures, while maritime operations face disruptions due to limited water routes and reduced cargo capacity. These challenges are leading to increased operational costs and potential economic strain. Additionally, agricultural activities and water-dependent industries are at risk due to the prolonged dry conditions.

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