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Sun Valley Snow Forecast - 3rd April 2025

Snow Mail

Sun Valley Snow Report and Forecast

Snow Forecast for Sun Valley

When will there be fresh snow?

This is the Snow Forecast for Sun Valley, United States for 16 days from 3 April.

Updated 03 April 2025 11:35 AEDT.

Sun Valley Snow Forecast Highlights
Next Snow Expected3 April
Next Snow Amount2cm
Next 48 Hours3cm
Next 7 Days7cm
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Sun Valley.

Forecast for today in Sun Valley

Max 1℃
Min -6℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ and rising to 1℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Thu
03

1cm to 2cm New Snow

FairCloudCloudSnow

Fair, cloudy, snow showers later.

Snow falling to resort level.

Sun Valley has 3cm new snow forecast in the next 48 hours.

Sun Valley Snow Report

Sun Valley Snow Depths and Conditions.
Upper Snow Depths
-
Lower Snow Depths
-
Snow Conditions
-

Sun Valley 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Sun Valley from OpenMeteo
Thu
03
Fri
04
Sat
05
Sun
06
Mon
07
Tue
08
Wed
09
WindNW F2
2,790m
-6℃
Cloud
+2cm
-1℃
Lt Snow Shwrs
+1cm
3℃
Clear
5℃
Clear
4℃
Snow
+4cm
2℃
Cloud
6℃
Cloud
W F2NW F2
2,270m
-3℃
Cloud
+2cm
3℃
Clear
7℃
Clear
9℃
Clear
8℃
Snow
+6cm
4℃
Cloud
10℃
Cloud
W F2S F2NW F2SW F2
1,750m
1℃
Cloud
+1cm
6℃
Clear
10℃
Clear
13℃
Clear
13℃
Cloud
10℃
Cloud
14℃
Cloud
Snow Line

1,750m

varying 2,059m
to 1,750m

varying 2,089m
to 2,079m

varying 2,309m
to 1,969m

Max Town1℃6℃10℃13℃13℃10℃14℃
Min Town-6℃-7℃0℃2℃3℃1℃2℃

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 1℃
Min -6℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ and rising to 1℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Thu
03

1cm to 2cm New Snow

FairCloudCloudSnow

Fair, cloudy, snow showers later.

Snow falling to resort level.

Max 6℃
Min -7℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -7℃ and rising to 6℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
04

up to 1cm New Snow

CloudCloudClearLight Snow

Cloudy, clear sky, light snow at altitude later.

Snow Line from 2,059m to resort level.

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 per hour

Snow Line

Sat
05

Snow unlikely

ShwrsClearClearClear

Rain showers early, then clear sky later.

Max 13℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 13℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Sun
06

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

Max 13℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Mon
07

up to 4cm New Snow

CloudCloudMixedMixed

Cloudy early, then clear spells later.

Snow Line from 2,309m to 1,969m, with rain below.

Max 10℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 10℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Tue
08

Snow unlikely

MixedMixedCloudClear

Clear spells, cloudy, clear sky later.

Max 14℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 14℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Wed
09

Snow unlikely

ClearMixedCloudMixed

Clear sky first, clear spells then cloudy, clear spells 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 11:35 AEDT, next update expected 17:00 AEDT.

Understanding and predicting Snow Conditions in Sun Valley

Here are our tips for making the most of a trip to Sun Valley, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Sun Valley, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Sun Valley is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Sun Valley will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Sun Valley for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.