Big Sky Snow Forecast - 7 day
Snow Forecast for Big Sky
When will there be fresh snow?
This is the 7-Day Snow Forecast for Big Sky, United States for 7 days from 18 May.
Updated 18 May 2025 20:32 NZST.
| Next Snow Expected | 18 May |
|---|---|
| Next Snow Amount | 2cm |
| Next 48 Hours | 5cm |
| Next 7 Days | 10cm |
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For Forecast detail, see below.
Forecast for Big Sky
Big Sky has 5cm new snow forecast in the next 48 hours.
Big Sky 7-Day Snow Forecast Overview
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| Sun 18 | Mon 19 | Tue 20 | Wed 21 | Thu 22 | Fri 23 | Sat 24 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F3 | SW F3 | |||||
| 3,410m | -2℃
 +2cm
| -2℃
 | -1℃
 +3cm
| 1℃
+2cm
| 7℃
 | 10℃
 | 8℃
 |
| SW F3 | SW F4 | ||||||
| 2,740m | 3℃
+2cm
| 3℃
| 3℃
+1cm
| 5℃
+1cm
| 11℃
| 14℃
| 12℃
|
| SE F2 | NW F2 | SW F2 | SW F2 | SW F2 | SW F2 | ||
| 2,070m | 10℃
| 9℃
| 9℃
| 10℃
| 16℃
| 19℃
| 15℃
 |
| Snow Line | varying 2,549m | 2,299m | varying 2,629m | varying 2,559m | |||
| Max Town | 10℃ | 9℃ | 9℃ | 10℃ | 16℃ | 19℃ | 15℃ |
| Min Town | 3℃ | 0℃ | 0℃ | -1℃ | 1℃ | 5℃ | 7℃ |
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.
Big Sky 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 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
Cloudy early, then light drizzle later.
Snow Line from 2,549m to 2,379m, with rain below.
Max 9℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
19
Snow unlikely
Cloudy early, then clear spells later.
Max 9℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
20
up to 3cm New Snow
Cloudy early, then clear spells later.
Snow Line from 2,629m to 2,079m, with rain below.
Max 10℃
Min -1℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 10℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
21
up to 2cm New Snow
Light snow at altitude first, cloudy then light snow, cloudy later.
Snow Line from 2,559m to resort level.
Max 16℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 16℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Thu
22
Snow unlikely
Cloudy, clear sky, cloudy later.
Max 19℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 19℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Fri
23
Snow unlikely
Cloudy, clear sky, rain showers later.
Max 15℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 15℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
24
Snow unlikely
Light drizzle first, fair then cloudy, light drizzle later.
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 20:32 NZST, next update expected imminently.
Snow Forecast near Big Sky
| Snow Report and Forecast | 48 Hr | Sun | Mon | Tue | Wed | Thu | Fri | Sat | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 10cm | 15cm |