Sun Valley 48-Hour Snow Forecast
48-hour Forecast for Sun Valley (1,750m to 2,790m)
This is the 48-hour (2-Day) Snow Forecast for Sun Valley, United States for 2 days from 31 March.
Updated 31 March 2025 21:39 NZDT.
Sun Valley has 5cm new snow forecast in the next 48 hours.
See below for the detailed Weather and Snow outlook.
Sun Valley Snow Forecast updated at 21:39 NZDT, next update expected 03:00 NZDT.
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Forecast for today in Sun Valley
Max 2℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 2℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
4cm to 5cm New Snow
Cloudy first, light snow then heavy snow showers, snow showers later.
Snow falling to resort level.
Sun Valley has 5cm new snow forecast in the next 48 hours.
Forecast for tomorrow in Sun Valley
Max 1℃
Min -10℃
Valley temperatures from an overnight low of -10℃ to daytime highs around 1℃
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Cloudy.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 |  | Fair. | 2℃ | SW Light | 0% | |
| Mon | 01:00 | | Cloudy. | 2℃ | SW Light | 0% | |
| Mon | 02:00 | | Cloudy. | 1℃ | SW Light | 5% | |
| Mon | 03:00 | | Cloudy. | 0℃ | SW Breeze | 15% | |
| Mon | 04:00 | | Cloudy at altitude. Mixed below. | 0℃ | SW Light | 25% | |
| Mon | 05:00 | | Cloudy. | -1℃ | SW Breeze | 10% | |
| Mon | 06:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | -2℃ | SW Light | 25% |
| Mon | 07:00 | | Clear spells. | -1℃ | SW Light | 40% | |
| Mon | 08:00 | | 1cm New Snow | Heavy snow showers. | -1℃ | SW Light | 35% |
| Mon | 09:00 | | Clear spells at altitude. Lt rain below. | -1℃ | SW Light | 20% | |
| Mon | 10:00 | | Clear spells at altitude. Cloud below. | -1℃ | SW Light | 10% | |
| Mon | 11:00 | | Clear spells. | -1℃ | SW Breeze | 20% | |
| Mon | 12:00 | | Heavy snow showers. | -1℃ | SW Breeze | 50% | |
| Mon | 13:00 | | Clear spells at altitude. Lt rain below. | -1℃ | SW Breeze | 30% | |
| Mon | 14:00 | | Heavy snow showers. | 0℃ | SW Light | 25% | |
| Mon | 15:00 | | Cloudy. | 0℃ | SW Light | 10% | |
| Mon | 16:00 | | Clear spells at altitude. Cloud below. | 1℃ | SW Light | 15% | |
| Mon | 17:00 | | Heavy snow showers. | 1℃ | SW Breeze | 30% | |
| Mon | 18:00 | | Heavy snow showers. | 1℃ | SW Breeze | 30% | |
| Mon | 19:00 | | Heavy snow showers. | 1℃ | SW Breeze | 65% | |
| Mon | 20:00 |  | 1cm New Snow | Heavy snow. | 1℃ | SW Light | 65% |
| Mon | 21:00 | | Cloudy at altitude. Mixed below. | 2℃ | SW Light | 45% | |
| Mon | 22:00 | | Clear spells at altitude. Cloud below. | 2℃ | SW Light | 20% | |
| Mon | 23:00 | | Light snow at altitude. Lt rain below. | 2℃ | SW Breeze | 40% | |
| Tue | 00:00 | | Clear sky at altitude. Cloud below. | 1℃ | NW Breeze | 20% | |
| Tue | 01:00 | | Clear sky at altitude. Fair below. | -1℃ | NW Breeze | 10% | |
| Tue | 02:00 |  | Clear sky. | -4℃ | NW Light | 10% | |
| Tue | 03:00 | | Clear sky at altitude. Mixed below. | -5℃ | NW Light | 5% | |
| Tue | 04:00 | | Cloudy. | -5℃ | NW Light | 5% | |
| Tue | 05:00 | | Cloudy. | -7℃ | NW Breeze | 0% | |
| Tue | 06:00 | | Clear sky. | -7℃ | NW Light | 0% | |
| Tue | 07:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 08:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 09:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 10:00 | | Cloudy. | -10℃ | NW Light | 0% | |
| Tue | 11:00 | | Clear spells. | -9℃ | NW Light | 0% | |
| Tue | 12:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 13:00 | | Cloudy. | -9℃ | NW Breeze | 0% | |
| Tue | 14:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 15:00 | | Cloudy. | -9℃ | NW Light | 0% | |
| Tue | 16:00 | | Clear spells. | -7℃ | NW Light | 0% | |
| Tue | 17:00 | | Fair at altitude. Clear below. | -4℃ | NW Breeze | 0% | |
| Tue | 18:00 | | Cloudy. | -1℃ | NW Breeze | 0% | |
| Tue | 19:00 | | Cloudy. | -1℃ | NW Breeze | 0% | |
| Tue | 20:00 | | Cloudy. | 0℃ | NW Breeze | 25% | |
| Tue | 21:00 | | Cloudy at altitude. Mixed below. | -1℃ | NW Breeze | 25% | |
| Tue | 22:00 | | Clear spells at altitude. Fair below. | 0℃ | NW Breeze | 25% | |
| Tue | 23:00 | | Cloudy. | -1℃ | NW Light | 25% | |
Snow Forecast near Sun Valley
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.