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Big Mountain Snow Forecast - 21st June 2025

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Big Mountain Snow Report and Forecast

Snow Forecast for Big Mountain

When will there be fresh snow?

This is the Snow Forecast for Big Mountain, United States for 16 days from 21 June.

Updated 21 June 2025 18:39 NZST.

Big Mountain Snow Forecast Highlights
Next Snow Expected23 June
Next Snow Amount2cm
Next 48 Hours5cm
Next 7 Days13cm
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For Forecast detail, see below.

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

Forecast for today in Big Mountain

Max 7℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 7℃
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Big Mountain has 5cm new snow forecast in the next 48 hours.

Big Mountain Snow Report

Big Mountain Snow Depths and Conditions.
Upper Snow Depths
-
Lower Snow Depths
-
Snow Conditions
-

Big Mountain 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Big Mountain from OpenMeteo
Sat
21
Sun
22
Mon
23
Tue
24
Wed
25
Thu
26
Fri
27
WindSE F4E F3E F4E F4E F4
2,130m
2℃
Cloud
0℃
Cloud
+1cm
0℃
Light Snow
+4cm
0℃
Light Snow
+1cm
0℃
Mixed
-1℃
Light Snow
+4cm
1℃
Light Snow
+2cm
SE F4E F3E F4E F4E F4
1,750m
5℃
Cloud
2℃
Cloud
3℃
Light Snow
+2cm
2℃
Mixed
2℃
Mixed
1℃
Light Snow
+1cm
3℃
Mixed
SE F4E F3E F4E F4E F4
1,370m
7℃
Cloud
5℃
Cloud
5℃
Light Snow
5℃
Light Snow
5℃
Mixed
4℃
Light Snow
6℃
Lt Rain
Snow Line

varying 1,789m
to 1,629m

varying 1,669m
to 1,419m

varying 1,559m
to 1,419m

varying 1,879m
to 1,519m

varying 1,999m
to 1,869m

Max Town7℃5℃5℃5℃5℃4℃6℃
Min Town2℃2℃1℃2℃1℃2℃2℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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 7℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 7℃
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Max 5℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 5℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
22

up to 1cm New Snow

CloudCloudCloudCloud

Cloudy.

Snow Line from 1,789m to 1,629m, with rain below.

Max 5℃
Min 1℃

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

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Mon
23

up to 4cm New Snow

ShwrsLt RainLight SnowLight Snow

Rain showers, light rain, light snow at altitude later.

Snow Line from 1,669m to 1,419m, with rain below.

Max 5℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 5℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Tue
24

up to 1cm New Snow

Lt RainCloudLight SnowCloud

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

Snow Line from 1,559m to 1,419m, with rain below.

Max 5℃
Min 1℃

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

Temperature at BaseTemp at Base

Wed
25

Snow unlikely

CloudMixedMixedCloud

Cloudy, clear spells, cloudy later.

Max 4℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 4℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Thu
26

up to 4cm New Snow

CloudLt RainLt RainLt Rain

Cloudy early, then light rain later.

Snow Line from 1,879m to 1,519m, with rain below.

Max 6℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 6℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
27

up to 2cm New Snow

CloudLt RainCloudCloud

Cloudy, light rain, cloudy later.

Snow Line from 1,999m to 1,869m, with rain below.

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 18:39 NZST, next update expected imminently.

Understanding and predicting Snow Conditions in Big Mountain

Here are our tips for making the most of a trip to Big Mountain, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Big Mountain, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Big Mountain is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Big Mountain will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Big Mountain for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.