Big Sky 48-Hour Snow Forecast
Updated 31 May 2026 11:43 NZST
2-Day Forecast for Big Sky
48-hours from 31 May.
See below for forecast detail
Big Sky Snow Forecast updated at 11:43 NZST, next update expected 14:00 NZST.
Forecast for today in Big Sky
Max 8℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 8℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
31
up to 11cm New Snow
Cloudy early, then light drizzle later.
Snow Line from 3,049m to 2,579m, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Big Sky
Max 12℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
01
up to 3cm New Snow
Cloudy early, then drizzle later.
Snow Line from 3,129m to 2,619m, 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? | |||
|---|---|---|---|---|---|---|---|
| Sun | 00:00 | | Clear spells at altitude. Drizzle below. | 7℃ | NW Breeze | 75% | |
| Sun | 01:00 | | Clear spells at altitude. Cloud below. | 6℃ | NW Breeze | 65% | |
| Sun | 02:00 | | Clear spells at altitude. Cloud below. | 6℃ | NW Breeze | 65% | |
| Sun | 03:00 |  | up to 1cm New Snow | Cloudy at altitude. Lt rain below. | 6℃ | NW Breeze | 70% |
| Sun | 04:00 |  | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 6℃ | NW Breeze | 70% |
| Sun | 05:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 5℃ | NW Breeze | 70% |
| Sun | 06:00 | | Heavy snow showers at altitude. Lt drizzle below. | 5℃ | NW Breeze | 70% | |
| Sun | 07:00 | | Cloudy. | 4℃ | NW Breeze | 70% | |
| Sun | 08:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 5℃ | NW Breeze | 65% |
| Sun | 09:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 5℃ | NW Breeze | 70% |
| Sun | 10:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 6℃ | NW Breeze | 65% | |
| Sun | 11:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 6℃ | NW Breeze | 60% | |
| Sun | 12:00 | | Heavy snow at altitude. Hvy rain below. | 6℃ | NW Breeze | 50% | |
| Sun | 13:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 7℃ | NW Breeze | 55% |
| Sun | 14:00 | | up to 1cm New Snow | Heavy snow at altitude. Lt drizzle below. | 8℃ | NW Breeze | 60% |
| Sun | 15:00 | | up to 2cm New Snow | Heavy snow at altitude. Lt drizzle below. | 8℃ | NW Breeze | 55% |
| Sun | 16:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 8℃ | NW Breeze | 50% |
| Sun | 17:00 | | Cloudy. | 8℃ | NW Breeze | 40% | |
| Sun | 18:00 | | Cloudy. | 8℃ | NW Breeze | 35% | |
| Sun | 19:00 | | Fog at altitude. Cloud below. | 7℃ | NW Breeze | 25% | |
| Sun | 20:00 | | Fog at altitude. Cloud below. | 7℃ | NW Breeze | 20% | |
| Sun | 21:00 | | Fog at altitude. Cloud below. | 6℃ | NW Breeze | 20% | |
| Sun | 22:00 | | Fog at altitude. Cloud below. | 6℃ | NW Breeze | 15% | |
| Sun | 23:00 | | Cloudy. | 5℃ | NW Breeze | 10% | |
| Mon | 00:00 | | Heavy snow at altitude. Hvy rain below. | 6℃ | W Breeze | 10% | |
| Mon | 01:00 | | Cloudy. | 6℃ | W Light | 10% | |
| Mon | 02:00 | | Cloudy. | 5℃ | W Breeze | 5% | |
| Mon | 03:00 | | Fog at altitude. Cloud below. | 4℃ | W Breeze | 0% | |
| Mon | 04:00 | | Cloudy. | 4℃ | W Breeze | 0% | |
| Mon | 05:00 | | Cloudy. | 4℃ | W Breeze | 5% | |
| Mon | 06:00 | | Cloudy. | 4℃ | W Breeze | 5% | |
| Mon | 07:00 | | Fog at altitude. Cloud below. | 5℃ | W Breeze | 5% | |
| Mon | 08:00 | | Fog at altitude. Cloud below. | 6℃ | W Breeze | 5% | |
| Mon | 09:00 | | Cloudy. | 7℃ | W Breeze | 5% | |
| Mon | 10:00 |  | Clear spells. | 9℃ | W Breeze | 5% | |
| Mon | 11:00 | | Light snow showers at altitude. Lt drizzle below. | 10℃ | W Breeze | 5% | |
| Mon | 12:00 | | Clear spells at altitude. Lt drizzle below. | 11℃ | W Breeze | 5% | |
| Mon | 13:00 | | Drizzle. | 12℃ | W Light | 75% | |
| Mon | 14:00 | | Drizzle. | 12℃ | W Light | 75% | |
| Mon | 15:00 | | Clear spells. | 11℃ | W Light | 75% | |
| Mon | 16:00 |  | Light rain showers. | 10℃ | W Light | 75% | |
| Mon | 17:00 | | Drizzle. | 11℃ | W Light | 75% | |
| Mon | 18:00 | | up to 1cm New Snow | Snow showers at altitude. Shwrs below. | 6℃ | W Light | 75% |
| Mon | 19:00 | | up to 2cm New Snow | Snow at altitude. Rain below. | 6℃ | W Light | 55% |
| Mon | 20:00 | | Cloudy. | 6℃ | W Light | 55% | |
| Mon | 21:00 | | Cloudy. | 5℃ | W Light | 55% | |
| Mon | 22:00 | | Cloudy. | 5℃ | W Light | 55% | |
| Mon | 23:00 | | Cloudy. | 5℃ | W Light | 55% | |
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 | 12cm | 12cm |
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.
Snow Reliability
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.