Mount Index
Weather Forecast, United States

Issued: 9 pm Mon 08 Dec Local Time

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Mount Index Weather (Days 0-3):

The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Mon night. Becoming milder with heavy rain (total 110mm) on Wed morning. Freeze-thaw conditions (max 5°C on Wed afternoon, min -3°C on Mon night). Winds increasing (light winds from the WSW on Tue morning, severe gales from the WSW by Wed afternoon).

Mount Index Weather (Days 3-6):

Mild at first with light rain (total 3mm) on Thu night followed by colder weather and light fall of snow, heaviest on Sat night. Temperatures will be slightly above freezing (max 4°C on Sat afternoon, min 1°C on Thu night). Winds decreasing (strong winds from the SW on Sat night, light winds from the SSW by Sun afternoon).

This table gives the weather forecast for Mount Index at the specific elevation of 1832 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Index. 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.