Big Sky 48-Hour Snow Forecast
Updated 10 October 2026 16:54 PDT
Powder Alarm
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.
2-Day Forecast for Big Sky
48-hours from 11 October.
See below for forecast detail
Big Sky Snow Forecast updated at 16:54 PDT, next update expected imminently.
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.
Forecast for tomorrow in Big Sky
Max 39°F
Min 24°F
Freeze-thaw conditions, with valley temperatures cooling to 24°F and rising to 39°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
12
2in New Snow
Heavy snow showers early, then cloudy later.
Snow falling to resort level (6,791ft).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sun | 00:00 | | Fog at altitude. Cloud below. | 44°F | SE Breeze | 15% | |
| Sun | 01:00 | | Fog at altitude. Cloud below. | 43°F | SE Breeze | 25% | |
| Sun | 02:00 | | Fog at altitude. Cloud below. | 42°F | SE Breeze | 30% | |
| Sun | 03:00 | | Clear spells at altitude. Cloud below. | 43°F | SE Breeze | 40% | |
| Sun | 04:00 |  | Fog at altitude. Lt drizzle below. | 42°F | SE Breeze | 40% | |
| Sun | 05:00 |  | up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 42°F | SE Breeze | 45% |
| Sun | 06:00 | | Fog at altitude. Cloud below. | 41°F | SE Breeze | 45% | |
| Sun | 07:00 | | New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 42°F | SE Light | 50% |
| Sun | 08:00 | | Fog at altitude. Cloud below. | 40°F | SE Breeze | 80% | |
| Sun | 09:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 40°F | SE Light | 80% | |
| Sun | 10:00 |  | New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 38°F | SE Light | 65% |
| Sun | 11:00 | | New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 35°F | SE Light | 60% |
| Sun | 12:00 | | up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 35°F | SE Light | 55% |
| Sun | 13:00 | | up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 36°F | SE Light | 65% |
| Sun | 14:00 | | New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 37°F | SE Light | 70% |
| Sun | 15:00 | | New Snow | Heavy snow at altitude. Hvy rain below. | 38°F | SE Light | 70% |
| Sun | 16:00 | | New Snow | Heavy snow at altitude. Hvy rain below. | 38°F | SE Light | 75% |
| Sun | 17:00 | | New Snow | Heavy snow at altitude. Hvy rain below. | 37°F | SE Light | 80% |
| Sun | 18:00 | | New Snow | Heavy snow at altitude. Hvy rain below. | 36°F | SE Breeze | 85% |
| Sun | 19:00 | | up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 34°F | SE Breeze | 85% |
| Sun | 20:00 | | New Snow | Heavy snow at altitude. Hvy shwrs below. | 33°F | SE Breeze | 85% |
| Sun | 21:00 |  | Cloudy at altitude. Fog below. | 33°F | SE Breeze | 80% | |
| Sun | 22:00 | | up to 1in New Snow | Heavy snow at altitude. Hvy shwrs below. | 32°F | SE Breeze | 85% |
| Sun | 23:00 | | Cloudy at altitude. Fog below. | 31°F | SE Breeze | 90% | |
| Mon | 00:00 |  | 1in New Snow | Heavy snow. | 31°F | SW Breeze | 90% |
| Mon | 01:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 32°F | SW Breeze | 85% | |
| Mon | 02:00 | | Heavy snow showers. | 33°F | SW Breeze | 80% | |
| Mon | 03:00 | | Light snow at altitude. Hvy shwrs below. | 33°F | SW Light | 80% | |
| Mon | 04:00 | | up to 1in New Snow | Heavy snow. | 31°F | SW Light | 45% |
| Mon | 05:00 | | New Snow | Heavy snow at altitude. Hvy rain below. | 29°F | SW Breeze | 100% |
| Mon | 06:00 | | Heavy snow showers. | 27°F | SW Breeze | 100% | |
| Mon | 07:00 | | Fog at altitude. Cloud below. | 26°F | SW Breeze | 40% | |
| Mon | 08:00 | | Cloudy. | 24°F | SW Light | 40% | |
| Mon | 09:00 | | Fog at altitude. Cloud below. | 26°F | SW Light | 40% | |
| Mon | 10:00 | | Cloudy at altitude. Mixed below. | 29°F | SW Light | 40% | |
| Mon | 11:00 |  | Fair at altitude. Clear below. | 33°F | SW Light | 40% | |
| Mon | 12:00 | | Clear sky. | 37°F | SW Light | 40% | |
| Mon | 13:00 | | Cloudy. | 38°F | SW Light | 20% | |
| Mon | 14:00 | | Cloudy. | 39°F | SW Light | 20% | |
| Mon | 15:00 | | Cloudy. | 39°F | SW Light | 20% | |
| Mon | 16:00 | | Cloudy. | 39°F | SW Light | 20% | |
| Mon | 17:00 | | Cloudy. | 39°F | SW Light | 20% | |
| Mon | 18:00 | | Cloudy. | 39°F | SW Light | 20% | |
| Mon | 19:00 | | Cloudy. | 34°F | SW Light | 5% | |
| Mon | 20:00 | | Cloudy. | 35°F | SW Light | 5% | |
| Mon | 21:00 | | Cloudy. | 36°F | SW Light | 5% | |
| Mon | 22:00 | | Cloudy. | 37°F | SW Light | 5% | |
| Mon | 23:00 | | Cloudy. | 37°F | SW Light | 5% | |
Snow Forecast near Big Sky
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 8in | 8in |
Big Sky Snow
For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.
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.
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.