Big Mountain Snow Forecast - 7 day
Updated 20 September 2026 22:41 PDT
7-Day Snow Forecast for Big Mountain
1-week from 21 September.
For Forecast detail, see below.
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Big Mountain 7-Day Snow Forecast Highlights
When will there be fresh snow in Big Mountain?
| Next Snow Expected | 21 September |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | 1in |
| Next 7 Days | 7in |
7-Day Snow Outlook for Big Mountain
Snowfall
Snow Line
Max 36°F
Min 21°F
8in New Snow
Snow Line from 5,541ft to resort level (4,495ft).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Big Mountain 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.
Max 28°F
Min 24°F
Below freezing at all levels, with valley temperatures as low as 24°F and not getting above 28°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
21
1in New Snow
Cloudy early, then light snow later.
Snow falling to resort level (4,495ft).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 30°F
Min 24°F
Below freezing at all levels, with valley temperatures as low as 24°F and not getting above 30°F
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.
Max 31°F
Min 21°F
Below freezing at all levels, with valley temperatures as low as 21°F and not getting above 31°F
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 36°F
Min 22°F
Freeze-thaw conditions, with valley temperatures cooling to 22°F and rising to 36°F
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 33°F
Min 30°F
Valley temperatures from an overnight low of 30°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
25
up to 5in New Snow
Cloudy early, then light snow later.
Snow Line from 5,541ft to resort level (4,495ft).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 32°F
Min 29°F
Below freezing at all levels, with valley temperatures as low as 29°F and not getting above 32°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
26
up to 2in New Snow
Light snow, cloudy, light snow later.
Snow falling to resort level (4,495ft).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 33°F
Min 28°F
Valley temperatures from an overnight low of 28°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
27
New Snow
Cloudy, light snow, cloudy later.
Snow falling to resort level (4,495ft).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
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.
Big Mountain Snow Forecast updated at 22:41 PDT, next update expected 04:00 PDT.
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.