Sun Valley 48-Hour Snow Forecast
Updated 11 August 2026 20:41 BST
2-Day Forecast for Sun Valley
48-hours from 12 August.
See below for forecast detail
Sun Valley Snow Forecast updated at 20:41 BST, next update expected imminently.
Forecast for today in Sun Valley
Max 29℃ 85°F
Min 17℃ 63°F
Valley temperatures from an overnight low of 17℃ 63°F to daytime highs around 29℃ 85°F
Temperature at BaseTemp at Base
Wed
12
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Sun Valley
Max 22℃ 71°F
Min 16℃ 60°F
Valley temperatures from an overnight low of 16℃ 60°F to daytime highs around 22℃ 71°F
Temperature at BaseTemp at Base
Thu
13
Snow unlikely
Cloudy.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Wed | 00:00 | | Cloudy. | 21℃ 69°F | W Light | 0% | |
| Wed | 01:00 | | Cloudy. | 21℃ 69°F | W Light | 0% | |
| Wed | 02:00 | | Cloudy. | 20℃ 67°F | W Light | 0% | |
| Wed | 03:00 | | Cloudy. | 19℃ 66°F | W Light | 0% | |
| Wed | 04:00 | | Cloudy. | 18℃ 65°F | W Light | 0% | |
| Wed | 05:00 |  | Cloudy at altitude. Mixed below. | 18℃ 64°F | W Light | 0% | |
| Wed | 06:00 | | Clear spells at altitude. Cloud below. | 17℃ 63°F | W Light | 0% | |
| Wed | 07:00 | | Clear spells. | 17℃ 63°F | W Light | 0% | |
| Wed | 08:00 | | Clear sky. | 18℃ 64°F | W Light | 0% | |
| Wed | 09:00 | | Clear sky. | 22℃ 71°F | W Light | 0% | |
| Wed | 10:00 | | Clear sky. | 24℃ 76°F | W Light | 0% | |
| Wed | 11:00 | | Clear sky. | 26℃ 79°F | W Breeze | 0% | |
| Wed | 12:00 | | Clear spells at altitude. Cloud below. | 27℃ 81°F | W Breeze | 0% | |
| Wed | 13:00 | | Clear sky. | 28℃ 82°F | W Breeze | 0% | |
| Wed | 14:00 | | Clear spells at altitude. Cloud below. | 29℃ 85°F | W Breeze | 0% | |
| Wed | 15:00 | | Cloudy. | 29℃ 83°F | W Breeze | 0% | |
| Wed | 16:00 | | Cloudy. | 29℃ 85°F | W Breeze | 0% | |
| Wed | 17:00 | | Cloudy. | 29℃ 85°F | W Breeze | 0% | |
| Wed | 18:00 | | Cloudy. | 29℃ 83°F | W Breeze | 0% | |
| Wed | 19:00 | | Cloudy. | 28℃ 81°F | W Breeze | 0% | |
| Wed | 20:00 | | Cloudy. | 25℃ 78°F | W Breeze | 0% | |
| Wed | 21:00 | | Cloudy. | 22℃ 71°F | W Breeze | 0% | |
| Wed | 22:00 | | Cloudy. | 20℃ 68°F | W Breeze | 0% | |
| Wed | 23:00 | | Clear spells. | 19℃ 66°F | W Light | 0% | |
| Thu | 00:00 | | Cloudy. | 18℃ 65°F | SW Light | 0% | |
| Thu | 01:00 | | Clear sky. | 18℃ 63°F | SW Light | 0% | |
| Thu | 02:00 | | Cloudy. | 17℃ 63°F | SW Light | 0% | |
| Thu | 03:00 | | Cloudy. | 17℃ 62°F | SW Light | 0% | |
| Thu | 04:00 | | Cloudy. | 17℃ 62°F | SW Light | 0% | |
| Thu | 05:00 | | Fair at altitude. Mixed below. | 16℃ 61°F | SW Light | 0% | |
| Thu | 06:00 | | Clear spells at altitude. Cloud below. | 17℃ 62°F | SW Light | 0% | |
| Thu | 07:00 | | Cloudy. | 18℃ 64°F | SW Light | 25% | |
| Thu | 08:00 | | Cloudy. | 19℃ 66°F | SW Light | 25% | |
| Thu | 09:00 | | Cloudy. | 22℃ 71°F | SW Light | 25% | |
| Thu | 10:00 | | Cloudy. | 22℃ 71°F | SW Breeze | 25% | |
| Thu | 11:00 | | Cloudy. | 22℃ 71°F | SW Breeze | 25% | |
| Thu | 12:00 | | Cloudy. | 20℃ 69°F | SW Breeze | 25% | |
| Thu | 13:00 | | Cloudy. | 21℃ 70°F | SW Light | 50% | |
| Thu | 14:00 |  | Light snow at altitude. Drizzle below. | 17℃ 62°F | SW Light | 50% | |
| Thu | 15:00 | | Light drizzle. | 16℃ 60°F | SW Light | 50% | |
| Thu | 16:00 | | Cloudy. | 18℃ 65°F | SW Light | 50% | |
| Thu | 17:00 | | Cloudy. | 21℃ 70°F | SW Light | 50% | |
| Thu | 18:00 | | Cloudy. | 20℃ 67°F | SW Light | 50% | |
| Thu | 19:00 | | Cloudy. | 19℃ 65°F | SW Light | 50% | |
| Thu | 20:00 | | Cloudy. | 19℃ 66°F | SW Light | 50% | |
| Thu | 21:00 | | Cloudy. | 17℃ 63°F | SW Light | 50% | |
| Thu | 22:00 | | Cloudy. | 17℃ 63°F | SW Light | 50% | |
| Thu | 23:00 | | Cloudy. | 17℃ 62°F | SW Light | 50% | |
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.
No significant snowfall is forecast for this period.
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.