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Big Sky Snow Forecast - 27th June 2026

Big Sky Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 28 June 2026 04:53 AEST

Snow Forecast for Big Sky

Snow and Weather from 27 June.

For Forecast detail, see below.

Big Sky Snow Forecast Highlights

When will there be fresh snow in Big Sky?

Big Sky Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,740m)
Next Snow Expected28 June
Next Snow Amount12cm
Next 48 Hours40cm
Next 7 Days40cm

Forecast for today in Big Sky

Max 14℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 14℃
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
27

up to 5cm New Snow

MixedCloudCloudCloud

Clear spells early, then cloudy later.

Snow Line from 2,949m to 2,849m, with rain below.

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

Big Sky 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Big Sky from OpenMeteo(GFS)
Sat
27
Sun
28
Mon
29
Tue
30
Wed
01
Thu
02
Fri
03
WindSW F3W F3SW F2SE F2SW F2
3,410m
3℃
Snow
+5cm
-3℃
Snow
+11cm
-5℃
Hvy Snow
+27cm
3℃
Fog
7℃
Lt Drizzle
13℃
Mixed
12℃
Cloud
SW F3W F3SE F2SW F2
2,740m
8℃
Cloud
1℃
Snow
+12cm
-1℃
Hvy Snow
+28cm
7℃
Fog
12℃
Lt Drizzle
17℃
Mixed
16℃
Cloud
SW F2W F2SE F2SW F2
2,070m
14℃
Cloud
7℃
Drizzle
5℃
Cloud
12℃
Fog
16℃
Lt Drizzle
22℃
Mixed
21℃
Cloud
Snow Line

varying 2,949m
to 2,849m

varying 2,759m
to 2,399m

varying 2,589m
to 2,209m

Max Town14℃7℃5℃12℃16℃22℃21℃
Min Town6℃5℃2℃2℃3℃6℃8℃

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.

United States Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Forecast near Big Sky

Snow Forecasts for Ski Resorts near Big Sky
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Moonlight Basin39cm 39cm

Snow Reliability

Big Sky enjoys reliable snow conditions, with an average annual snowfall of over 400 inches. Skiers can expect a solid snow depth throughout the season, but it's advisable to check J2Ski for the latest snow conditions.

Understanding and predicting Snow Conditions in Big Sky

Here are our tips for making the most of a trip to Big Sky, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Big Sky, 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 Sky 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 Sky 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 Sky 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.