Mount Si
Weather Forecast, United States

Issued: 9 am Thu 05 Mar Local Time

Updates in:

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: A light covering of new snow mostly falling on Thu night will be washed away by heavy rain (total 34mm) on Sat night. Freeze-thaw conditions (max 5°C on Fri night, min -2°C on Thu morning). Winds increasing (light winds from the WSW on Thu night, near gales from the SW by Sat night).

Mount Si Weather (Days 3-6):

Light rain (total 8mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 3°C on Sun morning, min -6°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sun morning, moderate winds from the WSW by Tue morning).

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.