Sun Valley Snow Forecast - 7 day
Snow Forecast for Sun Valley
When will there be fresh snow?
This is the 7-Day Snow Forecast for Sun Valley, United States for 7 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
Sun Valley has 4cm 2in new snow forecast in the next 48 hours.
Sun Valley 7-Day Snow Forecast Overview
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| Fri 16 | Sat 17 | Sun 18 | Mon 19 | Tue 20 | Wed 21 | Thu 22 | |
|---|---|---|---|---|---|---|---|
| Wind | W F2 | SE F2 | |||||
| 2,790m 9,154ft | 6℃ 43°F
 | 5℃ 41°F
 +4cm +1in
| 2℃ 35°F
 +1cm
| 6℃ 43°F
 +1cm
| 10℃ 50°F
| 12℃ 53°F
| 12℃ 53°F
 |
| W F2 | W F2 | W F2 | W F2 | ||||
| 2,270m 7,448ft | 9℃ 49°F
| 8℃ 47°F
+1cm
| 5℃ 41°F
| 11℃ 52°F
| 14℃ 58°F
| 16℃ 61°F
| 16℃ 60°F
|
| SW F2 | SW F2 | SW F3 | SW F2 | SW F2 | |||
| 1,750m 5,741ft | 13℃ 55°F
| 13℃ 55°F
| 10℃ 49°F
 | 12℃ 54°F
| 17℃ 63°F
| 20℃ 69°F
| 20℃ 68°F
|
| Snow Line | varying 2,389m 7,838ft | varying 2,569m 8,428ft | varying 1,999m 6,558ft | ||||
| Max Town | 13℃ 55°F | 13℃ 55°F | 10℃ 49°F | 12℃ 54°F | 17℃ 63°F | 20℃ 69°F | 20℃ 68°F |
| Min Town | 3℃ 38°F | 3℃ 38°F | 5℃ 41°F | 0℃ 31°F | 3℃ 38°F | 6℃ 43°F | 7℃ 45°F |
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.
Sun Valley 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 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.
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
Snowfall per hour
Snow Line
Sat
17
up to 4cm up to 1in New Snow
Clear sky first, cloudy then light drizzle, cloudy later.
Snow Line from 2,389m 7,838ft to 2,209m 7,247ft , with rain below.
Max 10℃ 49°F
Min 5℃ 41°F
Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 10℃ 49°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
18
up to 1cm New Snow
Cloudy, fog, cloudy later.
Snow Line from 2,569m 8,428ft to 2,399m 7,871ft , with rain below.
Max 12℃ 54°F
Min 0℃ 31°F
Valley temperatures from an overnight low of 0℃ 31°F to daytime highs around 12℃ 54°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
19
up to 1cm New Snow
Clear spells first, fair then clear sky, cloudy later.
Snow Line from 1,999m 6,558ft to 1,889m 6,198ft , with rain below.
Max 17℃ 63°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 17℃ 63°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Tue
20
Snow unlikely
Clear sky.
Max 20℃ 69°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 20℃ 69°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Wed
21
Snow unlikely
Clear sky.
Max 20℃ 68°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 20℃ 68°F
Temperature at BaseTemp at Base
Thu
22
Snow unlikely
Cloudy, fair, clear sky later.
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 imminently.