Sun Valley Long-Range Snow Forecast
Snow Forecast for Sun Valley
When will there be fresh snow?
This is the Long-range Snow Forecast for Sun Valley, United States for 16 days from 16 May.
Updated 16 May 2025 11:33 BST.
| Next Snow Expected | 17 May |
|---|---|
| Next Snow Amount | 1cm - |
| Next 48 Hours | 4cm 2in |
| Next 7 Days | 5cm 2in |
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For Forecast detail, see below.
Forecast for Sun Valley
Max 13℃ 55°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 13℃ 55°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Clear sky early, then cloudy later.
Sun Valley has 4cm 2in new snow forecast in the next 48 hours.
Sun Valley 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.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Fri 16 | | Cloudy. | Max 13℃ 55°F Min 3℃ 38°F |
| Sat 17 | | up to 4cm up to 1in New Snow | Max 13℃ 55°F Min 3℃ 38°F |
| Sun 18 |  | up to 1cm New Snow | Max 10℃ 49°F Min 5℃ 41°F |
| Mon 19 |  | up to 1cm New Snow | Max 12℃ 54°F Min 0℃ 31°F |
| Tue 20 | | Clear sky. | Max 17℃ 63°F Min 3℃ 38°F |
| Wed 21 | | Clear sky. | Max 20℃ 69°F Min 6℃ 43°F |
| Thu 22 | | Light snow at altitude, light rain below. | Max 20℃ 68°F Min 7℃ 45°F |
| Fri 23 | | Clear sky. | Max 17℃ 63°F Min 4℃ 40°F |
| Sat 24 | | Clear sky. | Max 19℃ 67°F Min 5℃ 40°F |
| Sun 25 | | Clear sky. | Max 22℃ 72°F Min 9℃ 48°F |
| Mon 26 | | Clear sky. | Max 24℃ 76°F Min 12℃ 53°F |
| Tue 27 | | Clear sky. | Max 26℃ 78°F Min 13℃ 55°F |
| Wed 28 |  | Cloudy at altitude, clear spells below. | Max 25℃ 76°F Min 12℃ 54°F |
| Thu 29 | | Cloudy. | Max 19℃ 65°F Min 9℃ 48°F |
| Fri 30 | | Cloudy at altitude, clear spells below. | Max 16℃ 60°F Min 3℃ 38°F |
| Sat 31 | | Clear sky. | Max 17℃ 62°F Min 4℃ 38°F |
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.
Sun Valley Snow Forecast updated at 11:33 BST, next update expected 17:00 BST.