Snoqualmie 7-Day Snow Forecast

Snoqualmie Long-Range Snow Forecast Updated today

ECMWF IFS

GEM

GFS

PROSubscribe to Switch Weather Model

Updated 31 August 2026 05:45 PDT

Long-Range Snow Forecast for Snoqualmie

Long-range (14 to 45 days) from 31 August.

For Forecast detail, see below.

Snoqualmie Snow Forecast Highlights

When will there be fresh snow in Snoqualmie?

Snoqualmie Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (4,216ft)
Next Snow?
There is no snow currently in the forecast for Snoqualmie.

Long-range Snow Outlook for Snoqualmie

Snowfall

Snow Line

Max 69°F
Min 39°F

Snow unlikely

Snoqualmie 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 Snoqualmie from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Mon 31	Cloudy.	Max 67°F Min 45°F
Tue 01	Cloudy.	Max 62°F Min 49°F
Wed 02	Cloudy.	Max 60°F Min 43°F
Thu 03	Drizzle.	Max 49°F Min 41°F
Fri 04	Cloudy.	Max 58°F Min 42°F
Sat 05	Cloudy.	Max 56°F Min 39°F
Sun 06	Clear sky.	Max 69°F Min 39°F

No significant snowfall is forecast for this period.

This Snow Forecast for Snoqualmie, 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 Snoqualmie, 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.

Snoqualmie Snow Forecast updated at 05:45 PDT, next update expected imminently.

Ensemble forecast for Snoqualmie, USA at 3,018ft

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

Snoqualmie typically enjoys a reliable snowpack with average depths of 100 inches, ensuring great conditions throughout the season. For the latest snow updates, visit J2Ski for real-time information.

Off-Piste Safety in Snoqualmie

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