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 21 January.
Updated 20 January 2025 18:32 PST.
| Next Snow Expected | 22 January |
|---|---|
| Next Snow Amount | - |
| Next 48 Hours | - |
| Next 7 Days | 1in |
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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
Temperature at BaseTemp at Base
Tue
21
Snow unlikely
Cloudy early, then fair later.
Big Sky has - 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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| Tue 21 | Wed 22 | Thu 23 | Fri 24 | Sat 25 | Sun 26 | Mon 27 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F4 | NW F4 | NE F2 | ||||
| 11,188ft | 9°F
| 6°F
| 12°F
 | 9°F
| 1°F
 +1in
| -4°F
| 10°F
+1in
|
| NW F4 | NW F4 | NE F2 | |||||
| 8,990ft | 18°F
| 14°F
| 20°F
| 17°F
| 9°F
 +1in
| 4°F
| 18°F
|
| SE F2 | NW F2 | S F2 | SW F2 | NE F2 | |||
| 6,791ft | 29°F
| 23°F
| 26°F
| 23°F
| 14°F
 +1in
| 7°F
| 23°F
|
| Snow Line | 6,791ft | 6,791ft | 6,791ft | ||||
| Max Town | 29°F | 23°F | 26°F | 23°F | 14°F | 7°F | 23°F |
| Min Town | 2°F | 8°F | 5°F | 10°F | -5°F | -15°F | -4°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.
Temperature at BaseTemp at Base
Tue
21
Snow unlikely
Cloudy early, then fair later.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
22
New Snow
Cloudy, heavy snow showers, cloudy later.
Snow falling to resort level.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
23
Snow unlikely
Cloudy first, clear spells then clear sky, fair later.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
24
Snow unlikely
Cloudy early, then light snow later.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
25
1in New Snow
Heavy snow showers first, light snow then snow showers, cloudy later.
Snow falling to resort level.
Temperature at BaseTemp at Base
Sun
26
Snow unlikely
Cloudy early, then clear sky later.
Temperature at BaseTemp at Base
Mon
27
Snow unlikely
Clear sky, cloudy, clear sky later.
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 18:32 PST, next update expected 21:00 PST.
Snow Forecast near Big Sky
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | - | - |
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.