Big Sky 48-Hour Snow Forecast
Updated 30 October 2026 18:44 CDT
2-Day Forecast for Big Sky
48-hours from 31 October.
See below for forecast detail
Big Sky Snow Forecast updated at 18:44 CDT, next update expected 21:00 CDT.
Forecast for today in Big Sky
Max 8℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 8℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 3cm New Snow
Cloudy early, then clear spells later.
Snow Line from 2,669m to 2,549m, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Big Sky
Max 5℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
01
up to 6cm New Snow
Cloudy early, then light drizzle later.
Snow Line from 2,559m to 2,179m, with rain below.
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? | |||
|---|---|---|---|---|---|---|---|
| Sat | 00:00 |  | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 4℃ | SE Breeze | 15% |
| Sat | 01:00 | | Fog at altitude. Cloud below. | 4℃ | SE Light | 15% | |
| Sat | 02:00 | | Fog at altitude. Cloud below. | 4℃ | SE Light | 10% | |
| Sat | 03:00 | | Fog at altitude. Cloud below. | 4℃ | SE Light | 10% | |
| Sat | 04:00 | | Cloudy. | 3℃ | SE Light | 5% | |
| Sat | 05:00 |  | Fog at altitude. Mixed below. | 3℃ | SE Light | 5% | |
| Sat | 06:00 | | Fog at altitude. Cloud below. | 3℃ | SE Light | 5% | |
| Sat | 07:00 | | Cloudy at altitude. Mixed below. | 3℃ | SE Light | 5% | |
| Sat | 08:00 | | Fog at altitude. Fair below. | 2℃ | SE Light | 10% | |
| Sat | 09:00 | | Fog at altitude. Mixed below. | 3℃ | SE Light | 10% | |
| Sat | 10:00 | | Fog at altitude. Cloud below. | 5℃ | SE Light | 15% | |
| Sat | 11:00 | | Fog at altitude. Cloud below. | 4℃ | SE Light | 15% | |
| Sat | 12:00 | | Cloudy at altitude. Mixed below. | 6℃ | SE Light | 10% | |
| Sat | 13:00 | | Fog at altitude. Mixed below. | 7℃ | SE Light | 10% | |
| Sat | 14:00 | | Cloudy at altitude. Lt drizzle below. | 8℃ | SE Light | 15% | |
| Sat | 15:00 | | Cloudy. | 7℃ | SE Light | 20% | |
| Sat | 16:00 |  | up to 1cm New Snow | Heavy snow showers at altitude. Lt rain below. | 6℃ | SE Light | 20% |
| Sat | 17:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 6℃ | SE Breeze | 25% |
| Sat | 18:00 | | Fog at altitude. Cloud below. | 5℃ | SE Light | 20% | |
| Sat | 19:00 | | Fog at altitude. Cloud below. | 5℃ | SE Light | 5% | |
| Sat | 20:00 | | Fog at altitude. Lt drizzle below. | 4℃ | SE Light | 5% | |
| Sat | 21:00 | | Fog at altitude. Cloud below. | 4℃ | SE Breeze | 10% | |
| Sat | 22:00 | | Fog at altitude. Cloud below. | 3℃ | SE Light | 5% | |
| Sat | 23:00 | | Fog at altitude. Cloud below. | 3℃ | SE Breeze | 5% | |
| Sun | 00:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 5% | |
| Sun | 01:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 5% | |
| Sun | 01:00 | | Fog at altitude. Cloud below. | 2℃ | SW Breeze | 0% | |
| Sun | 02:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 5% | |
| Sun | 03:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 5% | |
| Sun | 04:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | SW Breeze | 30% |
| Sun | 05:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 30% | |
| Sun | 06:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 50% | |
| Sun | 07:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 50% | |
| Sun | 08:00 | | Fog at altitude. Cloud below. | 3℃ | SW Breeze | 50% | |
| Sun | 09:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 4℃ | SW Breeze | 50% | |
| Sun | 10:00 | | Fog at altitude. Cloud below. | 5℃ | SW Light | 50% | |
| Sun | 11:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 5℃ | SW Light | 50% | |
| Sun | 12:00 | | Light snow at altitude. Drizzle below. | 5℃ | SW Light | 95% | |
| Sun | 13:00 | | Light snow at altitude. Lt drizzle below. | 5℃ | SW Light | 95% | |
| Sun | 14:00 | | Light snow at altitude. Lt drizzle below. | 5℃ | SW Calm | 95% | |
| Sun | 15:00 | | Light snow at altitude. Lt drizzle below. | 5℃ | SW Light | 95% | |
| Sun | 16:00 | | Clear spells at altitude. Lt drizzle below. | 4℃ | SW Light | 95% | |
| Sun | 17:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 4℃ | SW Light | 95% | |
| Sun | 18:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | SW Light | 100% |
| Sun | 19:00 |  | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | SW Light | 100% |
| Sun | 20:00 |  | up to 1cm New Snow | Light snow at altitude. Lt rain below. | 3℃ | SW Light | 100% |
| Sun | 21:00 |  | up to 1cm New Snow | Heavy snow showers at altitude. Hvy drizzle below. | 2℃ | SW Light | 100% |
| Sun | 22:00 | | Light snow at altitude. Drizzle below. | 2℃ | SW Light | 100% | |
Snow Forecast near Big Sky
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 11cm | 22cm |
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 piste 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.