Willamette Pass Snow Forecast - 7 day
Updated 12 April 2026 00:45 BST
7-Day Snow Forecast for Willamette Pass
1-week from 12 April.
For Forecast detail, see below.
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Willamette Pass 7-Day Snow Forecast Highlights
When will there be fresh snow in Willamette Pass?
| Next Snow Expected | 12 April |
|---|---|
| Next Snow Amount | 8cm 3in |
| Next 48 Hours | 12cm 5in |
| Next 7 Days | 27cm 11in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 7℃ 45°F
Min -9℃ 15°F
27cm 11in New Snow
Snow Line from 1,639m 5,377ft to resort level ( 1,561m 5,121ft ).
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Powder Alert!
Powder Alarm issued 12 April 2026 06:54 BST
Powder Possible :- 24cm 9in of Fresh Snow is forecast for Willamette Pass over the next 3 days.
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Willamette Pass 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 3℃ 37°F
Min 0℃ 31°F
Valley temperatures from an overnight low of 0℃ 31°F to daytime highs around 3℃ 37°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
7cm to 8cm 3in New Snow
Cloudy, light snow, heavy snow showers later.
Snow Line from 1,639m 5,377ft to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 1℃ 34°F
Min -2℃ 29°F
Valley temperatures from an overnight low of -2℃ 29°F to daytime highs around 1℃ 34°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
4cm to 6cm 2in New Snow
Heavy snow showers early, then light snow showers later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 5℃ 41°F
Min -4℃ 26°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 26°F and rising to 5℃ 41°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
14
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 0℃ 31°F
Min -6℃ 22°F
Below freezing at all levels, with valley temperatures as low as -6℃ 22°F and not getting above 0℃ 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
15
14cm 6in New Snow
Cloudy early, then heavy snow showers later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max -1℃ 31°F
Min -9℃ 15°F
Below freezing at all levels, with valley temperatures as low as -9℃ 15°F and not getting above -1℃ 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
16
1cm New Snow
Light snow showers first, fog then light snow, clear spells later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 3℃ 38°F
Min -8℃ 17°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -8℃ 17°F and rising to 3℃ 38°F
Temperature at BaseTemp at Base
Fri
17
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 7℃ 45°F
Min -5℃ 24°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -5℃ 24°F and rising to 7℃ 45°F
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
This Snow Forecast for Willamette Pass, 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 Willamette Pass, 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.
Willamette Pass Snow Forecast updated at 00:45 BST, next update expected imminently.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 6cm 2in | 14cm 5in |
Snow Reliability
Willamette Pass typically enjoys reliable snowfall, with an average snow depth of 5 to 10 feet throughout the season. For the most current snow conditions, including snowfall updates, check J2Ski for the latest information.