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Big Mountain Weather Forecast - 7 to 16 days - 21st September 2026

Big Mountain Weather

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Weather Forecast for Big Mountain (4,495ft to 6,988ft)

Weather Outlook from 21 September.

Big Mountain Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Big Mountain Weather Forecast updated at 22:41 PDT, next update expected 04:00 PDT.

Long-range Snow Outlook for Big Mountain

 
Snowfall

 
Snow Line

Max 36°F
Min 21°F

8in New Snow

Snow Line from 5,541ft to resort level (4,495ft).

Big Mountain Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Big Mountain from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Mon
21
Snow

1in New Snow
Snow.
Snow falling to resort level (4,495ft).

Max 28°F
Min 24°F
Tue
22
Cloud

Cloudy.

Max 30°F
Min 24°F
Wed
23
Clear

Clear sky.

Max 31°F
Min 21°F
Thu
24
Cloud

Cloudy.

Max 36°F
Min 22°F
Fri
25
Light Snow

up to 5in New Snow
Light snow.
Snow Line from 5,541ft to resort level (4,495ft).

Max 33°F
Min 30°F
Sat
26
Light Snow

up to 2in New Snow
Light snow.
Snow falling to resort level (4,495ft).

Max 32°F
Min 29°F
Sun
27
Cloud

New Snow
Cloudy.
Snow falling to resort level (4,495ft).

Max 33°F
Min 28°F

This Snow Forecast for Big Mountain, United States gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Big Mountain, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Big Mountain Weather Forecast updated at 22:41 PDT, next update expected 04:00 PDT.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Big Mountain.

For more information about this American Ski Resort, See Also Skiing and Snowboarding in Big Mountain .

Off-Piste Safety in Big Mountain

Before skiing or snowboarding off-piste in Big Mountain, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.