Diamond Peak Snow Report and Forecast
Snow Forecast for Diamond Peak
When will there be fresh snow?
This is the Snow Forecast for Diamond Peak, United States for 16 days from 18 June.
Updated 18 June 2025 00:38 UTC.
| Next Snow Expected | 21 June |
|---|---|
| Next Snow Amount | 2cm 1in |
| Next 48 Hours | - - |
| Next 7 Days | 5cm 2in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Diamond Peak.
Forecast for today in Diamond Peak
Max 16℃ 61°F
Min 5℃ 41°F
Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 16℃ 61°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Clear sky.
Diamond Peak has no new snow forecast in the next 48 hours.
Diamond Peak Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Diamond Peak 7-Day Snow Forecast Overview
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| Wed 18 | Thu 19 | Fri 20 | Sat 21 | Sun 22 | Mon 23 | Tue 24 | |
|---|---|---|---|---|---|---|---|
| Wind | W F2 | NW F2 | W F2 | ||||
| 2,600m 8,530ft | 13℃ 55°F
| 17℃ 62°F
| 10℃ 51°F
 | 1℃ 33°F
 +4cm +1in
| 9℃ 49°F
 +1cm
| 16℃ 60°F
| 19℃ 65°F
|
| W F2 | NW F2 | W F3 | W F2 | ||||
| 2,325m 7,628ft | 15℃ 58°F
| 16℃ 61°F
| 12℃ 53°F
| 1℃ 33°F
 +2cm +1in
| 10℃ 51°F
+2cm +1in
| 17℃ 62°F
| 19℃ 67°F
|
| W F2 | NW F2 | W F3 | W F2 | ||||
| 2,050m 6,726ft | 16℃ 61°F
| 18℃ 64°F
| 14℃ 57°F
| 3℃ 36°F
+2cm +1in
| 12℃ 54°F
+1cm +1in
| 18℃ 65°F
| 21℃ 70°F
|
| Snow Line | 2,050m 6,726ft | 2,050m 6,726ft | |||||
| Max Town | 16℃ 61°F | 18℃ 64°F | 14℃ 57°F | 3℃ 36°F | 12℃ 54°F | 18℃ 65°F | 21℃ 70°F |
| Min Town | 5℃ 41°F | 0℃ 33°F | -1℃ 31°F | -2℃ 27°F | -2℃ 29°F | 0℃ 32°F | 5℃ 40°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.
Diamond Peak 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 16℃ 61°F
Min 5℃ 41°F
Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 16℃ 61°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Clear sky.
Max 18℃ 64°F
Min 0℃ 33°F
Valley temperatures from an overnight low of 0℃ 33°F to daytime highs around 18℃ 64°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Thu
19
Snow unlikely
Clear sky early, then cloudy later.
Max 14℃ 57°F
Min -1℃ 31°F
Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 14℃ 57°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Cloudy.
Max 3℃ 36°F
Min -2℃ 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 27°F and rising to 3℃ 36°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
21
2cm to 4cm 1in New Snow
Snow showers first, light snow then snow showers, light snow showers later.
Snow falling to resort level.
Max 12℃ 54°F
Min -2℃ 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 29°F and rising to 12℃ 54°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
22
1cm up to 1in New Snow
Heavy snow showers first, snow showers then fog, clear spells later.
Snow falling to resort level.
Max 18℃ 65°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 18℃ 65°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Clear spells early, then clear sky later.
Max 21℃ 70°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 21℃ 70°F
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Clear sky.
This Snow Forecast for Diamond Peak, 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 Diamond Peak, 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.
Diamond Peak Snow Forecast updated at 00:38 UTC, next update expected 06:00 UTC.
Snow Forecast near Diamond Peak
| Snow Report and Forecast | 48 Hr | Wed | Thu | Fri | Sat | Sun | Mon | Tue | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Willamette Pass | - | 4cm 2in |
Understanding and predicting Snow Conditions in Diamond Peak
Here are our tips for making the most of a trip to Diamond Peak, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Diamond Peak, 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 Diamond Peak 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 Diamond Peak 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 Diamond Peak 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.