Mount Si
Weather Forecast, United States

Issued: 3 pm Thu 11 Dec Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 11°C on Sat morning, min 3°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Thu night, light winds from the SSW by Fri night).

Mount Si Weather (Days 3-6):

Heavy rain (total 32mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 8°C on Mon morning, min -4°C on Tue night). Winds increasing (light winds from the S on Sun afternoon, severe gales from the SW by Mon afternoon).

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.