Big Mountain 48-Hour Snow Forecast
Updated 21 September 2026 15:41 AEST
2-Day Forecast for Big Mountain
48-hours from 21 September.
See below for forecast detail
Big Mountain Snow Forecast updated at 15:41 AEST, next update expected 21:00 AEST.
Forecast for today in Big Mountain
Max -2℃
Min -5℃
Below freezing at all levels, with valley temperatures as low as -5℃ and not getting above -2℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
21
3cm New Snow
Cloudy early, then light snow later.
Snow falling to resort level (1,370m).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Big Mountain
Max -1℃
Min -5℃
Below freezing at all levels, with valley temperatures as low as -5℃ and not getting above -1℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
22
Snow unlikely
Light snow, fog, cloudy later.
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 | | Cloudy. | -2℃ | NW Breeze | 20% | |
| Mon | 01:00 | | Cloudy. | -2℃ | NW Breeze | 20% | |
| Mon | 02:00 | | Cloudy. | -2℃ | NW Breeze | 15% | |
| Mon | 03:00 | | Cloudy. | -2℃ | NW Breeze | 15% | |
| Mon | 04:00 | | Cloudy. | -2℃ | NW Breeze | 10% | |
| Mon | 05:00 | | Cloudy. | -2℃ | NW Breeze | 10% | |
| Mon | 06:00 | | Cloudy. | -2℃ | NW Breeze | 10% | |
| Mon | 07:00 | | Cloudy. | -3℃ | NW Breeze | 15% | |
| Mon | 08:00 | | Cloudy. | -3℃ | NW Breeze | 25% | |
| Mon | 09:00 | | Cloudy. | -3℃ | NW Breeze | 35% | |
| Mon | 10:00 | | Cloudy. | -3℃ | NW Breeze | 40% | |
| Mon | 11:00 | | Cloudy. | -4℃ | NW Breeze | 45% | |
| Mon | 12:00 |  | Light snow. | -4℃ | NW Breeze | 50% | |
| Mon | 13:00 | | Light snow. | -4℃ | NW Breeze | 40% | |
| Mon | 14:00 | | Light snow. | -4℃ | NW Breeze | 25% | |
| Mon | 15:00 | | Light snow. | -4℃ | NW Breeze | 20% | |
| Mon | 16:00 | | Light snow. | -4℃ | NW Light | 20% | |
| Mon | 17:00 | | Light snow. | -4℃ | NW Light | 25% | |
| Mon | 18:00 | | up to 1cm New Snow | Light snow. | -4℃ | NW Light | 35% |
| Mon | 19:00 | | 1cm New Snow | Light snow. | -4℃ | NW Light | 50% |
| Mon | 20:00 | | 1cm New Snow | Light snow. | -4℃ | NW Light | 70% |
| Mon | 21:00 | | Light snow. | -4℃ | NW Light | 85% | |
| Mon | 22:00 | | Light snow. | -4℃ | NW Light | 90% | |
| Mon | 23:00 | | Light snow. | -5℃ | NW Light | 90% | |
| Tue | 00:00 | | Light snow. | -5℃ | SW Light | 85% | |
| Tue | 01:00 | | Light snow. | -5℃ | SW Light | 70% | |
| Tue | 02:00 | | Fog. | -5℃ | SW Light | 50% | |
| Tue | 03:00 | | Fog. | -5℃ | SW Light | 30% | |
| Tue | 04:00 | | Fog. | -4℃ | SW Light | 25% | |
| Tue | 05:00 | | Fog. | -4℃ | SW Light | 30% | |
| Tue | 06:00 | | Fog. | -4℃ | SW Light | 30% | |
| Tue | 07:00 | | Fog. | -4℃ | SW Light | 30% | |
| Tue | 08:00 | | Fog. | -4℃ | SW Light | 35% | |
| Tue | 09:00 | | Fog. | -4℃ | SW Light | 35% | |
| Tue | 10:00 | | Cloudy. | -4℃ | SW Light | 25% | |
| Tue | 11:00 | | Cloudy. | -4℃ | SW Light | 15% | |
| Tue | 12:00 | | Cloudy. | -3℃ | SW Light | 5% | |
| Tue | 13:00 | | Cloudy. | -3℃ | SW Light | 5% | |
| Tue | 14:00 | | Cloudy. | -3℃ | SW Light | 5% | |
| Tue | 15:00 | | Cloudy. | -3℃ | SW Light | 5% | |
| Tue | 16:00 | | Cloudy. | -2℃ | SW Light | 0% | |
| Tue | 17:00 | | Cloudy. | -2℃ | SW Light | 0% | |
| Tue | 18:00 | | Cloudy. | -2℃ | SW Light | 0% | |
| Tue | 19:00 | | Cloudy. | -2℃ | SW Light | 0% | |
| Tue | 20:00 | | Cloudy. | -1℃ | SW Light | 0% | |
| Tue | 21:00 | | Cloudy. | -1℃ | SW Light | 0% | |
| Tue | 22:00 | | Cloudy. | -2℃ | SW Light | 0% | |
| Tue | 23:00 | | Cloudy. | -2℃ | SW Light | 0% | |
Snow Forecast near Big Mountain
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Big Mountain are not available.
Big Mountain Snow
For current snow depths and skiing conditions, see our Current Snow Report for Big Mountain.
This Snow Forecast for Big Mountain, 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 Mountain, 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.
Snow Reliability
Big Mountain typically enjoys reliable snow conditions, with an average annual snowfall of around 300 inches. Check J2Ski for the latest snow depth and conditions to plan your visit.