Mount Si
Weather Forecast, United States

Issued: 4 am Tue 24 Mar Local Time

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Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 27mm), heaviest during Tue afternoon. Later becoming colder with a dusting of snow on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min 0°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Thu afternoon).

Mount Si Weather (Days 3-6):

Mild with light rain (total 5mm) on Sun morning Becoming colder with a light covering of snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 10°C on Fri afternoon, min -4°C on Sun night). Wind will be generally light.

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.