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Big Boulder Snow Forecast - 48 hour - 20th September 2026

Big Boulder 48-Hour Snow Forecast

ECMWF IFS
GEM
GFS

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Updated 21 September 2026 06:45 NZST

2-Day Forecast for Big Boulder

48-hours from 20 September.

See below for forecast detail

Big Boulder Snow Forecast updated at 06:45 NZST, next update expected 12:00 NZST.

Forecast for today in Big Boulder

Max 17℃
Min 13℃

Valley temperatures from an overnight low of 13℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

CloudLt RainLt DrizzleFog

Cloudy first, light rain then light drizzle, fog later.

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

Forecast for tomorrow in Big Boulder

Max 17℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Big Boulder from OpenMeteo(GFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sun00:00Lt Rain

Light rain.14℃SW
Breeze
45%
Sun01:00Lt Rain

Light rain.14℃SW
Breeze
70%
Sun02:00Hvy Drizzle

Heavy drizzle.14℃SW
Breeze
70%
Sun03:00Rain

Rain.14℃SW
Breeze
80%
Sun04:00Lt Rain

Light rain.13℃SW
Light
95%
Sun05:00Lt Rain

Light rain.14℃SW
Breeze
95%
Sun06:00Rain

Rain.14℃SW
Breeze
85%
Sun07:00Lt Rain

Light rain.14℃SW
Breeze
80%
Sun08:00Drizzle

Drizzle.14℃SW
Breeze
60%
Sun09:00Lt Drizzle

Light drizzle.15℃SW
Light
50%
Sun10:00Lt Drizzle

Light drizzle.15℃SW
Light
40%
Sun11:00Fog

Fog.16℃SW
Light
35%
Sun12:00Fog

Fog.16℃SW
Light
25%
Sun13:00Fog

Fog.16℃SW
Light
20%
Sun14:00Fog

Fog.17℃SW
Light
15%
Sun15:00Fog

Fog.17℃SW
Light
20%
Sun16:00Fog

Fog.17℃SW
Light
20%
Sun17:00Fog

Fog.17℃SW
Light
10%
Sun18:00Fog

Fog.17℃SW
Light
5%
Sun19:00Cloud

Cloudy.17℃SW
Breeze
5%
Sun20:00Cloud

Cloudy.16℃SW
Breeze
5%
Sun21:00Cloud

Cloudy.16℃SW
Breeze
5%
Sun22:00Cloud

Cloudy.15℃SW
Breeze
5%
Sun23:00Cloud

Cloudy.15℃SW
Breeze
5%
Mon00:00Cloud

Cloudy.14℃E
Breeze
5%
Mon01:00Cloud

Cloudy.14℃E
Breeze
0%
Mon02:00Cloud

Cloudy.13℃E
Breeze
0%
Mon03:00Cloud

Cloudy.13℃E
Breeze
0%
Mon04:00Cloud

Cloudy.12℃E
Breeze
0%
Mon05:00Cloud

Cloudy.11℃E
Breeze
0%
Mon06:00Cloud

Cloudy.12℃E
Breeze
0%
Mon07:00Cloud

Cloudy.13℃E
Breeze
0%
Mon08:00Cloud

Cloudy.13℃E
Breeze
0%
Mon09:00Cloud

Cloudy.14℃E
Breeze
0%
Mon10:00Cloud

Cloudy.15℃E
Breeze
0%
Mon11:00Cloud

Cloudy.16℃E
Breeze
0%
Mon12:00Cloud

Cloudy.17℃E
Light
0%
Mon13:00Cloud

Cloudy.17℃E
Light
0%
Mon14:00Cloud

Cloudy.17℃E
Light
0%
Mon15:00Cloud

Cloudy.16℃E
Light
0%
Mon16:00Cloud

Cloudy.16℃E
Light
5%
Mon17:00Cloud

Cloudy.15℃E
Light
5%
Mon18:00Cloud

Cloudy.14℃E
Light
10%
Mon19:00Cloud

Cloudy.13℃E
Light
10%
Mon20:00Cloud

Cloudy.13℃E
Light
10%
Mon21:00Cloud

Cloudy.12℃E
Light
15%
Mon22:00Cloud

Cloudy.11℃E
Light
20%
Mon23:00Cloud

Cloudy.11℃E
Light
20%

Snow Forecast near Big Boulder

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Big Boulder are not available.

Big Boulder Snow

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

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.

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.