Mount Si
Weather Forecast, United States

Issued: 9 pm Sun 14 Dec Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 97mm), heaviest during Sun night. Later becoming colder with a dusting of snow on Tue night. Very mild (max 13°C on Mon morning, min 2°C on Tue night). Winds increasing (light winds from the SSE on Mon night, near gales from the WSW by Tue night).

Mount Si Weather (Days 3-6):

Heavy rain (total 24mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Thu night. Mild temperatures (max 8°C on Thu afternoon, min 1°C on Thu night). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SW by Thu afternoon).

This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.