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

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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 05:34 BST.

Big Sky Snow Forecast Highlights
Next Snow Expected18 May
Next Snow Amount 1cm -
Next 48 Hours 5cm 2in
Next 7 Days 7cm 3in
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For Forecast detail, see below.

Forecast for Big Sky

Max 10℃ 49°F
Min 3℃ 37°F

Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 10℃ 49°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
18

up to 1cm New Snow

CloudCloudCloudShwrs

Cloudy early, then rain showers later.

Snow Line from 2,589m 8,494ft to 2,399m 7,871ft , with rain below.

Big Sky has 5cm 2in 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 1cm New Snow
Light snow showers at altitude, light rain showers below.
Snow Line from 2,589m 8,494ft to 2,399m 7,871ft , with rain below.

Max 10℃ 49°F
Min 3℃ 37°F
Mon
19
Cloud

up to 1cm up to 1in New Snow
Fog at altitude, cloudy below.
Snow Line from 2,409m 7,904ft to 2,299m 7,543ft , with rain below.

Max 9℃ 49°F
Min 0℃ 31°F
Tue
20
Mixed

up to 3cm up to 1in New Snow
Light snow showers at altitude, light rain showers below.
Snow Line from 2,599m 8,527ft to 2,089m 6,854ft , with rain below.

Max 9℃ 49°F
Min 0℃ 33°F
Wed
21
Snow

up to 2cm up to 1in New Snow
Cloudy at altitude, rain showers below.
Snow Line from 2,579m 8,461ft to resort level.

Max 11℃ 52°F
Min 0℃ 31°F
Thu
22
Clear

Clear sky.

Max 17℃ 62°F
Min 3℃ 37°F
Fri
23
Clear

Clear sky.

Max 19℃ 66°F
Min 5℃ 41°F
Sat
24
Fair

Fair.

Max 17℃ 63°F
Min 8℃ 45°F
Sun
25
Clear

Fair at altitude, clear sky below.

Max 20℃ 67°F
Min 4℃ 39°F
Mon
26
Clear

Clear sky.

Max 23℃ 73°F
Min 9℃ 47°F
Tue
27
Cloud

Cloudy.

Max 23℃ 73°F
Min 11℃ 52°F
Wed
28
Cloud

Clear spells at altitude, cloudy below.

Max 21℃ 70°F
Min 9℃ 47°F
Thu
29
Lt Drizzle

Light drizzle.

Max 20℃ 68°F
Min 8℃ 47°F
Fri
30
Lt Drizzle

up to 1cm New Snow
Light snow at altitude, light drizzle below.
Snow Line from 3,179m 10,430ft to 2,969m 9,741ft , with rain below.

Max 13℃ 55°F
Min 7℃ 45°F
Sat
31
Clear

Clear sky.

Max 14℃ 57°F
Min 5℃ 40°F
Sun
01
Lt Drizzle

up to 2cm up to 1in New Snow
Light snow at altitude, light drizzle below.
Snow Line from 3,109m 10,200ft to 2,709m 8,888ft , with rain below.

Max 12℃ 53°F
Min 2℃ 36°F
Mon
02
Lt Drizzle

up to 2cm up to 1in New Snow
Light snow at altitude, light drizzle below.
Snow Line from 2,709m 8,888ft to 2,399m 7,871ft , with rain below.

Max 9℃ 48°F
Min 4℃ 38°F

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 05:34 BST, 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 Basin 10cm 4in 15cm 6in