Mount Si
Weather Forecast, United States

Issued: 3 am Tue 02 Dec Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A dusting of snow. Milder later with heavy rain (total 26mm) on Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -1°C on Tue afternoon). Winds increasing (calm on Tue afternoon, strong winds from the WSW by Thu night).

Mount Si Weather (Days 3-6):

A moderate fall of snow heaviest on Sat morning. Turning milder with heavy rain (total 36mm), heaviest during Sun afternoon. Temperatures will be slightly above freezing (max 4°C on Fri morning, min 1°C on Fri night). Winds decreasing (near gales from the SW on Sun morning, moderate winds from the SW by Sun night).

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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.