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Big Mountain 7-Day Snow Forecast - 1st September 2026

Big Mountain Snow Forecast - 7 day

ECMWF IFS
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GFS

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Updated 01 September 2026 06:19 IST

7-Day Snow Forecast for Big Mountain

1-week from 1 September.

For Forecast detail, see below.

Big Mountain 7-Day Snow Forecast Highlights

When will there be fresh snow in Big Mountain?

Big Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,750m)
Next Snow Expected7 September
Next Snow Amount1cm
Next 48 Hours-
Next 7 Days4cm

7-Day Snow Outlook for Big Mountain

 
Snowfall

 
Snow Line

Max 9℃
Min -3℃

7cm New Snow

Snow Line from 2,129m to resort level (1,370m).

Big Mountain Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 4℃
Min -3℃

Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 4℃

Temperature at BaseTemp at Base

Tue
01

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 6℃
Min -3℃

Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 6℃

Temperature at BaseTemp at Base

Wed
02

Snow unlikely

CloudCloudClearClear

Cloudy early, then clear sky later.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 9℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 9℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Thu
03

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 6℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 6℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
04

up to 1cm New Snow

CloudCloudLt RainRain

Cloudy, light rain, rain later.

Snow falling to 2,129m, with rain below.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 5℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 5℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
05

up to 2cm New Snow

Lt RainLt DrizzleCloudCloud

Light rain, light drizzle, cloudy later.

Snow Line from 2,129m to 1,829m, with rain below.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 4℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 4℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
06

up to 2cm New Snow

CloudCloudLight SnowCloud

Cloudy, light snow at altitude, cloudy later.

Snow Line from 1,699m to 1,459m, with rain below.

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

Max 2℃
Min -1℃

Valley temperatures from an overnight low of -1℃ to daytime highs around 2℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
07

up to 3cm New Snow

Lt DrizzleDrizzleCloudLight Snow

Light drizzle first, drizzle then cloudy, light snow at altitude later.

Snow Line from 1,619m to resort level (1,370m).

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

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 piste 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 Snow Forecast updated at 06:19 IST, next update expected 11:30 IST.

Snow Reliability

Big Mountain typically enjoys reliable snow conditions, with an average annual snowfall of around 300 inches. Check J2Ski for the latest snow depth and conditions to plan your visit.