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Big Boulder 7-Day Snow Forecast - 21st September 2026

Big Boulder Snow Forecast - 7 day

ECMWF IFS
GEM
GFS

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Updated 21 September 2026 11:10 IST

7-Day Snow Forecast for Big Boulder

1-week from 21 September.

For Forecast detail, see below.

Big Boulder 7-Day Snow Forecast Highlights

When will there be fresh snow in Big Boulder?

Big Boulder Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (590m)
Next Snow?
There is no snow currently in the forecast for Big Boulder.

7-Day Snow Outlook for Big Boulder

 
Snowfall

 
Snow Line

Max 18℃
Min 5℃

Snow unlikely

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Big Boulder 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 18℃
Min 12℃

Valley temperatures from an overnight low of 12℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 16℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 16℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

CloudCloudCloudClear

Cloudy early, then clear sky later.

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

Max 16℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

ClearCloudCloudMixed

Clear sky, cloudy, clear spells later.

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

Max 18℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

ClearCloudCloudCloud

Clear sky early, then cloudy later.

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

Max 12℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

CloudCloudLt DrizzleCloud

Cloudy, light drizzle, cloudy later.

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

Max 11℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 11℃

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

CloudFairLt DrizzleLt Drizzle

Cloudy, fair, light drizzle later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Big Boulder, 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 Boulder, 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 Boulder Snow Forecast updated at 11:10 IST, next update expected 16:30 IST.

Snow Reliability

Big Boulder typically enjoys reliable snow conditions, with an average snowfall of around 60 inches each season. For the latest snow reports and conditions, check out J2Ski for up-to-date information.