J2Ski Australia J2Ski logo
Facebook

Big Sky Long-Range Snow Forecast - 18th May 2025

J2Ski - Sign In

Big Sky Long-Range Snow Forecast

Snow Forecast for Big Sky

When will there be fresh snow?

This is the Long-range Snow Forecast for Big Sky, United States for 16 days from 18 May.

Updated 18 May 2025 18:32 AEST.

Big Sky Snow Forecast Highlights
Next Snow Expected18 May
Next Snow Amount2cm
Next 48 Hours5cm
Next 7 Days10cm
Free Snow Reports by e-Mail  Sign Up for Powder Alerts

For Forecast detail, see below.

Forecast for Big Sky

Max 10℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
18

up to 2cm New Snow

CloudCloudCloudLt Drizzle

Cloudy early, then light drizzle later.

Snow Line from 2,549m to 2,379m, with rain below.

Big Sky has 5cm new snow forecast in the next 48 hours.

Big Sky Long-Range (16-Day) 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 Sky from OpenMeteo
BaseSnow and WeatherTemp
Town
Sun
18
Cloud

up to 2cm New Snow
Light snow showers at altitude, light rain showers below.
Snow Line from 2,549m to 2,379m, with rain below.

Max 10℃
Min 3℃
Mon
19
Cloud

Fog at altitude, cloudy below.

Max 9℃
Min 0℃
Tue
20
Mixed

up to 3cm New Snow
Snow showers at altitude, rain showers below.
Snow Line from 2,629m to 2,079m, with rain below.

Max 9℃
Min 0℃
Wed
21
Cloud

up to 2cm New Snow
Snow showers at altitude, rain showers below.
Snow Line from 2,559m to resort level.

Max 10℃
Min -1℃
Thu
22
Clear

Cloudy at altitude, clear sky below.

Max 16℃
Min 1℃
Fri
23
Clear

Clear sky.

Max 19℃
Min 5℃
Sat
24
Lt Rain

Fair at altitude, light rain showers below.

Max 15℃
Min 7℃
Sun
25
Lt Drizzle

up to 2cm New Snow
Light snow at altitude, light drizzle below.
Snow Line from 3,049m to 2,579m, with rain below.

Max 11℃
Min 3℃
Mon
26
Clear

Clear sky.

Max 16℃
Min 3℃
Tue
27
Clear

Clear sky.

Max 21℃
Min 6℃
Wed
28
Fair

Fair.

Max 19℃
Min 8℃
Thu
29
Cloud

Cloudy.

Max 13℃
Min 3℃
Fri
30
Clear

Clear sky.

Max 16℃
Min 2℃
Sat
31
Clear

Clear sky.

Max 20℃
Min 5℃
Sun
01
Clear

Clear sky.

Max 22℃
Min 10℃
Mon
02
Cloud

Cloudy.

Max 25℃
Min 12℃

This Snow Forecast for Big Sky, 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 Sky, 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 Sky Snow Forecast updated at 18:32 AEST, next update expected imminently.

Snow Forecast near Big Sky

Snow Forecasts for Ski Resorts near Big Sky
Snow Report and Forecast 48 HrSunMonTueWedThuFriSat 7 Day
Moonlight Basin10cm 15cm