Mount Si
Weather Forecast, United States

Issued: 9 am Sat 13 Dec Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 46mm), heaviest during Sun night. Very mild (max 15°C on Sat morning, min 4°C on Mon night). Winds increasing (light winds from the SSW on Sat morning, strong winds from the SW by Mon afternoon).

Mount Si Weather (Days 3-6):

Heavy rain (total 82mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WSW by Thu night).

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.