Big Mountain Snow Forecast - 7 day
Updated 15 September 2026 05:47 UTC
7-Day Snow Forecast for Big Mountain
1-week from 15 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 | 16 September |
|---|---|
| Next Snow Amount | 2cm 1in |
| Next 48 Hours | 3cm 1in |
| Next 7 Days | 18cm 7in |
7-Day Snow Outlook for Big Mountain
Snowfall
Snow Line
Max 4℃ 40°F
Min -7℃ 20°F
23cm 9in New Snow
Snow Line from 1,979m 6,493ft to resort level ( 1,370m 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 4℃ 40°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 4℃ 40°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
15
up to 2cm up to 1in New Snow
Cloudy early, then light drizzle later.
Snow Line from 1,979m 6,493ft to resort level ( 1,370m 4,495ft ).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 2℃ 35°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 2℃ 35°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
16
2cm to 5cm 1in to 2in New Snow
Light snow first, cloudy then light snow, cloudy later.
Snow falling to resort level ( 1,370m 4,495ft ).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 4℃ 40°F
Min 0℃ 31°F
Valley temperatures from an overnight low of 0℃ 31°F to daytime highs around 4℃ 40°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
17
Snow unlikely
Light snow early, then cloudy later.
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 2℃ 36°F
Min -1℃ 30°F
Valley temperatures from an overnight low of -1℃ 30°F to daytime highs around 2℃ 36°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
18
3cm to 9cm 1in to 3in New Snow
Light snow, snow showers, cloudy later.
Snow falling to resort level ( 1,370m 4,495ft ).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max 2℃ 36°F
Min -1℃ 30°F
Freeze-thaw conditions, with valley temperatures cooling to -1℃ 30°F and rising to 2℃ 36°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
19
1cm to 2cm up to 1in New Snow
Light snow, cloudy, light snow later.
Snow falling to resort level ( 1,370m 4,495ft ).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max -1℃ 30°F
Min -6℃ 20°F
Below freezing at all levels, with valley temperatures as low as -6℃ 20°F and not getting above -1℃ 30°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
20
2cm to 3cm 1in New Snow
Fair early, then light snow later.
Snow falling to resort level ( 1,370m 4,495ft ).
Forecast times for Big Mountain are in Denver (US/Mountain) time zone.
Max -3℃ 26°F
Min -7℃ 20°F
Below freezing at all levels, with valley temperatures as low as -7℃ 20°F and not getting above -3℃ 26°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
21
3cm 1in New Snow
Light snow showers early, then cloudy later.
Snow falling to resort level ( 1,370m 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 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.
Big Mountain Snow Forecast updated at 05:47 UTC, next update expected imminently.
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.