Swain 7-Day Snow Forecast

Swain Long-Range Snow Forecast Updated today

ECMWF IFS

GEM

GFS

PROSubscribe to Switch Weather Model

Updated 17 June 2026 05:47 PDT

Long-Range Snow Forecast for Swain

Long-range (14 to 45 days) from 17 June.

For Forecast detail, see below.

Swain Snow Forecast Highlights

When will there be fresh snow in Swain?

Swain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,640ft)
Next Snow?
There is no snow currently in the forecast for Swain.

Long-range Snow Outlook for Swain

Snowfall

Snow Line

Max 74°F
Min 45°F

Snow unlikely

Swain 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 Swain from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Wed 17	Cloudy.	Max 74°F Min 56°F
Thu 18	Fair.	Max 73°F Min 56°F
Fri 19	Clear sky.	Max 68°F Min 51°F
Sat 20	Clear sky.	Max 66°F Min 50°F
Sun 21	Light drizzle.	Max 68°F Min 49°F
Mon 22	Clear sky.	Max 67°F Min 45°F
Tue 23	Cloudy.	Max 73°F Min 48°F

No significant snowfall is forecast for this period.

This Snow Forecast for Swain, 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 Swain, 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.

Swain Snow Forecast updated at 05:47 PDT, next update expected 11:00 PDT.

Ensemble forecast for Swain, USA at 1,312ft

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

Swain enjoys a reliable snow season with an average snowfall of around 150 inches annually. To ensure optimal conditions, check J2Ski for the latest snow depth and weather updates.

Off-Piste Safety in Swain

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