Big Sky Snow Report and Forecast
Updated 10 October 2026 16:54 PDT
Snow Forecast for Big Sky
Snow and Weather from 11 October.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Big Sky Snow Forecast Highlights
When will there be fresh snow in Big Sky?
| Next Snow Expected | 11 October |
|---|---|
| Next Snow Amount | 7in |
| Next 48 Hours | 8in |
| Next 7 Days | 8in |
Forecast for today in Big Sky
Max 44°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 44°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
11
1in to 7in New Snow
Cloudy early, then clear spells later.
Snow Line from 9,544ft to resort level (6,791ft).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Powder Alert!
Powder Alarm issued 10 October 2026 19:44 PDT
Powder Possible :- 8in of Fresh Snow is forecast for Big Sky over the next 2 days.
Partner Offers
Big Sky 7-Day Snow Forecast Overview
Get this snow forecast by e-mail
| Sun 11 | Mon 12 | Tue 13 | Wed 14 | Thu 15 | Fri 16 | Sat 17 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F3 | SW F2 | |||||
| 11,188ft | 29°F
 +7in
| 25°F
 +2in
| 29°F
| 32°F
 | 31°F
| 36°F
| 40°F
 |
| SE F3 | SW F2 | ||||||
| 8,990ft | 36°F
+7in
| 32°F
+1in
| 36°F
| 39°F
| 39°F
| 44°F
| 48°F
|
| 6,791ft | 44°F
 +1in
| 39°F
+2in
| 44°F
| 47°F
| 47°F
| 52°F
| 56°F
|
| Snow Line | varying 9,544ft | 6,791ft | |||||
| Max Town | 44°F | 39°F | 44°F | 47°F | 47°F | 52°F | 56°F |
| Min Town | 31°F | 24°F | 26°F | 26°F | 29°F | 27°F | 32°F |
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
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 8in | 8in |
How reliable is the snow in Big Sky?
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.