Big Bear Mountain 7-Day Snow Forecast

Big Bear Mountain Long-Range Snow Forecast Updated today

ECMWF IFS

GEM

GFS

PROSubscribe to Switch Weather Model

Updated 30 August 2026 18:41 CDT

Long-Range Snow Forecast for Big Bear Mountain

Long-range (14 to 45 days) from 31 August.

For Forecast detail, see below.

Big Bear Mountain Snow Forecast Highlights

When will there be fresh snow in Big Bear Mountain?

Big Bear Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,430m)
Next Snow?
There is no snow currently in the forecast for Big Bear Mountain.

Long-range Snow Outlook for Big Bear Mountain

Snowfall

Snow Line

Max 23℃
Min 9℃

Snow unlikely

Big Bear Mountain Long-Range (2 weeks+) Snow Forecast Outlook

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.

16 Day Weather and Snow Forecast for Big Bear Mountain from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Mon 31	Clear sky.	Max 22℃ Min 11℃
Tue 01	Clear sky.	Max 22℃ Min 9℃
Wed 02	Clear sky.	Max 22℃ Min 11℃
Thu 03	Clear sky.	Max 23℃ Min 12℃
Fri 04	Clear sky.	Max 22℃ Min 11℃
Sat 05	Cloudy.	Max 18℃ Min 11℃
Sun 06	Rain showers.	Max 15℃ Min 12℃

No significant snowfall is forecast for this period.

This Snow Forecast for Big Bear 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 Bear 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 Bear Mountain Snow Forecast updated at 18:41 CDT, next update expected imminently.

Ensemble forecast for Big Bear Mountain, USA at 2,176m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

Big Bear enjoys reliable snowfall, with an average snow depth of 5-10 feet during peak season. For the latest snow conditions and forecasts, check out J2Ski for up-to-date information.

Off-Piste Safety in Big Bear Mountain

Before skiing or snowboarding off-piste in Big Bear Mountain, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.