Big Sky Snow Report and Forecast
Snow Forecast for Big Sky
When will there be fresh snow?
This is the Snow Forecast for Big Sky, United States for 16 days from 5 July.
Updated 05 July 2025 13:38 PDT.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Big Sky. |
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.
Forecast for today in Big Sky
Max 68°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 68°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Clear sky early, then light rain showers later.
Big Sky has no new snow forecast in the next 48 hours.
Big Sky Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Big Sky 7-Day Snow Forecast Overview
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| Sat 05 | Sun 06 | Mon 07 | Tue 08 | Wed 09 | Thu 10 | Fri 11 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F3 | S F3 | SE F3 | S F2 | |||
| 11,188ft | 49°F
 | 54°F
| 63°F
| 67°F
| 67°F
 | 65°F
| 61°F
|
| SW F3 | S F3 | SE F3 | S F2 | ||||
| 8,990ft | 57°F
| 62°F
| 71°F
| 75°F
| 75°F
| 72°F
| 69°F
|
| W F2 | SW F2 | SW F2 | SW F3 | SW F2 | |||
| 6,791ft | 68°F
| 74°F
| 79°F
| 84°F
| 83°F
 | 81°F
| 76°F
|
| Snow Line | |||||||
| Max Town | 68°F | 74°F | 79°F | 84°F | 83°F | 81°F | 76°F |
| Min Town | 42°F | 44°F | 50°F | 57°F | 57°F | 54°F | 44°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.
Big Sky 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 68°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 68°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Clear sky early, then light rain showers later.
Max 74°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 74°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Clear sky.
Max 79°F
Min 50°F
Valley temperatures from an overnight low of 50°F to daytime highs around 79°F
Temperature at BaseTemp at Base
Mon
07
Snow unlikely
Cloudy early, then clear sky later.
Max 84°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 84°F
Temperature at BaseTemp at Base
Tue
08
Snow unlikely
Clear sky.
Max 83°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 83°F
Temperature at BaseTemp at Base
Wed
09
Snow unlikely
Clear sky, cloudy, clear sky later.
Max 81°F
Min 54°F
Valley temperatures from an overnight low of 54°F to daytime highs around 81°F
Temperature at BaseTemp at Base
Thu
10
Snow unlikely
Cloudy, clear sky, fair later.
Max 76°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 76°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Fri
11
Snow unlikely
Clear spells early, then clear sky later.
No significant snowfall is forecast for this period.
This Snow Forecast for Big Sky, 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 Sky, 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 Sky Snow Forecast updated at 13:38 PDT, next update expected 16:00 PDT.
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.