Mount Si
Weather Forecast, United States

Issued: 9 am Thu 04 Dec Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A moderate fall of snow heaviest on Thu morning. Turning milder with heavy rain (total 24mm), heaviest during Fri morning. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Sat morning). Winds increasing (light winds from the WSW on Thu morning, gales from the WSW by Fri morning).

Mount Si Weather (Days 3-6):

Heavy rain (total 39mm), mostly on Sun afternoon. Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -2°C on Mon night). Winds decreasing (severe gales from the WSW on Mon afternoon, light winds from the SSW by Tue 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.