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Big Mountain Snow Forecast - 19th May 2026

Big Mountain Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 19 May 2026 04:48 PDT

Snow Forecast for Big Mountain

Snow and Weather from 19 May.

For Forecast detail, see below.

Big Mountain Snow Forecast Highlights

When will there be fresh snow in Big Mountain?

Big Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (5,741ft)
Next Snow Expected22 May
Next Snow Amount4in
Next 48 Hours-
Next 7 Days8in

Forecast for today in Big Mountain

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

 
Snowfall

 
Snow Line

Tue
19

New Snow

CloudCloudCloudLt Snow Shwrs

Cloudy early, then light snow showers later.

Snow falling to resort level (4,495ft).

Forecast times for Big Mountain are in Denver (US/Mountain) time zone.

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Big Mountain 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Big Mountain from OpenMeteo(GFS)
Tue
19
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
Mon
25
WindSE F3E F2SE F2SW F2SE F4
6,988ft
22°F
Cloud
24°F
Cloud
24°F
Light Snow
20°F
Light Snow
+4in
17°F
Snow
+3in
19°F
Cloud
22°F
Light Snow
+2in
SE F3E F2SE F2SW F2SE F4
5,741ft
27°F
Cloud
28°F
Cloud
29°F
Light Snow
24°F
Light Snow
+4in
21°F
Snow
+3in
24°F
Cloud
26°F
Light Snow
+2in
SE F3E F2SE F2SW F2SE F4
4,495ft
31°F
Cloud
33°F
Cloud
33°F
Light Snow
29°F
Light Snow
+3in
25°F
Snow
+2in
28°F
Cloud
31°F
Light Snow
+1in
Snow Line

4,495ft

4,495ft

4,495ft

4,495ft

4,495ft

Max Town31°F33°F33°F29°F25°F28°F31°F
Min Town21°F21°F22°F21°F20°F19°F18°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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.

Understanding and predicting Snow Conditions in Big Mountain

Here are our tips for making the most of a trip to Big Mountain, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Big Mountain, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Big Mountain is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Big Mountain will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Big Mountain for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.