Timberline - Oregon Long-Range Snow Forecast - 14 to 45 day - 20 Sep 2026

Timberline - Oregon Long-Range Snow Forecast Updated today

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Updated 20 September 2026 02:43 PDT

Long-Range Snow Forecast for Timberline - Oregon

Long-range (14 to 45 days) from 20 September.

For Forecast detail, see below.

Timberline - Oregon Snow Forecast Highlights

When will there be fresh snow in Timberline - Oregon?

Timberline - Oregon Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (6,266ft)
Next Snow?
There is no snow currently in the forecast for Timberline - Oregon.

Long-range Snow Outlook for Timberline - Oregon

Snowfall

Snow Line

Max 55°F
Min 34°F

Snow unlikely

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Timberline - Oregon Long-Range (2 weeks+) 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.

16 Day Weather and Snow Forecast for Timberline - Oregon from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Sun 20	Cloudy.	Max 55°F Min 47°F
Mon 21	Cloudy.	Max 48°F Min 42°F
Tue 22	Clear sky.	Max 51°F Min 36°F
Wed 23	Cloudy.	Max 52°F Min 34°F
Thu 24	Cloudy.	Max 51°F Min 34°F
Fri 25	Cloudy.	Max 55°F Min 38°F
Sat 26	Cloudy.	Max 52°F Min 40°F

No significant snowfall is forecast for this period.

This Snow Forecast for Timberline - Oregon, 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 Timberline - Oregon, on any given trail 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.

Timberline - Oregon Snow Forecast updated at 02:43 PDT, next update expected imminently.

Ensemble forecast for Timberline - Oregon, USA at 4,331ft

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

Timberline is known for reliable snow conditions, with average seasonal snowfall around 400 inches and snow depths often reaching 100 inches. For the latest snow updates and conditions, check J2Ski to plan your visit effectively.

Off-Piste Safety in Timberline - Oregon

Before skiing or snowboarding off-piste in Timberline - Oregon, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.