Sun Valley 48-Hour Snow Forecast
Updated 12 April 2026 17:48 NZST
2-Day Forecast for Sun Valley
48-hours from 12 April.
See below for forecast detail
Sun Valley Snow Forecast updated at 17:48 NZST, next update expected 23:00 NZST.
Forecast for today in Sun Valley
Max 10℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 10℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
up to 1cm New Snow
Cloudy.
Snow Line from 1,919m to 1,849m, with rain below.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Sun Valley
Max 7℃
Min -1℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 7℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sun | 00:00 | | Cloudy. | 3℃ | SW Light | 0% | |
| Sun | 01:00 |  | Cloudy at altitude. Mixed below. | 3℃ | SW Light | 0% | |
| Sun | 02:00 | | Cloudy. | 2℃ | SW Light | 0% | |
| Sun | 03:00 | | Cloudy. | 2℃ | SW Light | 0% | |
| Sun | 04:00 | | Cloudy. | 2℃ | SW Calm | 0% | |
| Sun | 05:00 | | Cloudy. | 2℃ | SW Light | 5% | |
| Sun | 06:00 | | Cloudy. | 2℃ | SW Light | 10% | |
| Sun | 07:00 | | Cloudy. | 3℃ | SW Light | 15% | |
| Sun | 08:00 | | Cloudy. | 3℃ | SW Light | 25% | |
| Sun | 09:00 | | Cloudy. | 5℃ | SW Light | 30% | |
| Sun | 10:00 | | Cloudy. | 7℃ | SW Light | 35% | |
| Sun | 11:00 | | Cloudy. | 8℃ | SW Breeze | 25% | |
| Sun | 12:00 | | Cloudy. | 9℃ | SW Breeze | 25% | |
| Sun | 13:00 | | Cloudy. | 9℃ | SW Breeze | 30% | |
| Sun | 14:00 | | Fair at altitude. Mixed below. | 10℃ | SW Breeze | 45% | |
| Sun | 15:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 3℃ | SW Strong | 55% |
| Sun | 16:00 | | Clear spells. | 4℃ | SW Breeze | 40% | |
| Sun | 17:00 | | Cloudy. | 6℃ | SW Breeze | 30% | |
| Sun | 18:00 | | Cloudy. | 5℃ | SW Breeze | 25% | |
| Sun | 19:00 | | Clear sky. | 5℃ | SW Breeze | 25% | |
| Sun | 20:00 | | Clear spells at altitude. Cloud below. | 3℃ | SW Breeze | 20% | |
| Sun | 21:00 | | Clear sky. | 1℃ | SW Light | 15% | |
| Sun | 22:00 | | Clear sky. | 1℃ | SW Light | 10% | |
| Sun | 23:00 | | Fair. | 0℃ | SW Light | 10% | |
| Mon | 00:00 | | Cloudy at altitude. Fair below. | 0℃ | W Light | 10% | |
| Mon | 01:00 | | Cloudy. | 1℃ | W Breeze | 5% | |
| Mon | 02:00 | | Cloudy. | 1℃ | W Light | 10% | |
| Mon | 03:00 | | Clear sky. | 1℃ | W Light | 5% | |
| Mon | 04:00 | | Clear sky. | 1℃ | W Light | 10% | |
| Mon | 05:00 | | Cloudy. | 0℃ | W Light | 10% | |
| Mon | 06:00 | | Cloudy. | 0℃ | W Light | 10% | |
| Mon | 07:00 | | Cloudy. | 0℃ | W Light | 15% | |
| Mon | 08:00 | | Cloudy. | 1℃ | W Light | 15% | |
| Mon | 09:00 | | Cloudy. | 2℃ | W Light | 15% | |
| Mon | 10:00 | | Cloudy. | 4℃ | W Breeze | 15% | |
| Mon | 11:00 | | Cloudy. | 4℃ | W Breeze | 35% | |
| Mon | 12:00 | | Cloudy. | 5℃ | W Breeze | 35% | |
| Mon | 13:00 | | Cloudy. | 5℃ | W Breeze | 35% | |
| Mon | 14:00 | | Cloudy. | 5℃ | W Breeze | 35% | |
| Mon | 15:00 | | Cloudy. | 6℃ | W Breeze | 35% | |
| Mon | 16:00 | | Clear spells. | 7℃ | W Breeze | 35% | |
| Mon | 17:00 | | Clear spells at altitude. Cloud below. | 5℃ | W Light | 35% | |
| Mon | 18:00 | | Cloudy. | 4℃ | W Light | 35% | |
| Mon | 19:00 | | Cloudy. | 3℃ | W Light | 10% | |
| Mon | 20:00 | | Cloudy. | 1℃ | W Light | 10% | |
| Mon | 21:00 | | Cloudy. | 0℃ | W Light | 10% | |
| Mon | 22:00 | | Cloudy. | 0℃ | W Light | 10% | |
| Mon | 23:00 | | Cloudy. | -1℃ | W Light | 10% | |
Snow Forecast near Sun Valley
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Sun Valley are not available.
Sun Valley Snow
For current snow depths and skiing conditions, see our Current Snow Report for Sun Valley.
This Snow Forecast for Sun Valley, 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 Sun Valley, 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.
Snow Reliability
Sun Valley typically enjoys a healthy snowpack, with average depths reaching up to 100 inches during the season. The resort's snow reliability is bolstered by consistent snowfall, making it essential to check J2Ski for the latest updates on conditions.