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

Big Boulder Snow Forecast - 7 day

ECMWF IFS
GEM
GFS

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Updated 20 March 2026 22:49 PDT

7-Day Snow Forecast for Big Boulder

1-week from 21 March.

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 (1,936ft)
Next Snow?
There is no snow currently in the forecast for Big Boulder.

7-Day Snow Outlook for Big Boulder

 
Snowfall

 
Snow Line

Max 59°F
Min 24°F

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 47°F
Min 35°F

Valley temperatures from an overnight low of 35°F to daytime highs around 47°F

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

CloudCloudClearCloud

Cloudy, clear sky, cloudy later.

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

Max 59°F
Min 37°F

Valley temperatures from an overnight low of 37°F to daytime highs around 59°F

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

CloudDrizzleCloudCloud

Cloudy, drizzle, cloudy later.

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

Max 40°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 40°F

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

DrizzleCloudCloudClear

Drizzle, cloudy, clear sky later.

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

Max 45°F
Min 24°F

Freeze-thaw conditions, with valley temperatures cooling to 24°F and rising to 45°F

Temperature at BaseTemp at Base

Tue
24

Snow unlikely

ClearCloudCloudClear

Clear sky, cloudy, clear sky later.

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

Max 49°F
Min 29°F

Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 49°F

Temperature at BaseTemp at Base

Wed
25

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 50°F
Min 34°F

Valley temperatures from an overnight low of 34°F to daytime highs around 50°F

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

CloudCloudFogFog

Cloudy early, then fog later.

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

Max 43°F
Min 24°F

Freeze-thaw conditions, with valley temperatures cooling to 24°F and rising to 43°F

Temperature at BaseTemp at Base

Fri
27

Snow unlikely

CloudCloudCloudClear

Cloudy early, then clear sky 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 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 Boulder Snow Forecast updated at 22:49 PDT, next update expected 04:00 PDT.

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.