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Loon Mountain Long-Range Snow Forecast - 20th September 2026

Loon Mountain Long-Range Snow Forecast Updated today

ECMWF IFS
GEM
GFS

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Updated 20 September 2026 10:43 BST

Long-Range Snow Forecast for Loon Mountain

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

For Forecast detail, see below.

Loon Mountain Snow Forecast Highlights

When will there be fresh snow in Loon Mountain?

Loon Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (610m)
Next Snow?
There is no snow currently in the forecast for Loon Mountain.

Long-range Snow Outlook for Loon Mountain

 
Snowfall

 
Snow Line

Max 19℃ 65°F
Min 5℃ 40°F

Snow unlikely

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Loon Mountain 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 Loon Mountain from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Sun
20
Hvy Drizzle

Light snow at altitude, heavy drizzle below.

Max 10℃ 50°F
Min 5℃ 40°F
Mon
21
Cloud

Cloudy.

Max 15℃ 59°F
Min 8℃ 46°F
Tue
22
Cloud

Cloudy.

Max 17℃ 63°F
Min 7℃ 44°F
Wed
23
Cloud

Cloudy.

Max 16℃ 60°F
Min 6℃ 43°F
Thu
24
Cloud

Cloudy.

Max 19℃ 65°F
Min 7℃ 44°F
Fri
25
Shwrs

Rain showers.

Max 14℃ 58°F
Min 10℃ 50°F
Sat
26
Cloud

Cloudy.

Max 16℃ 61°F
Min 7℃ 45°F

No significant snowfall is forecast for this period.

This Snow Forecast for Loon Mountain, 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 Loon Mountain, 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.

Loon Mountain Snow Forecast updated at 10:43 BST, next update expected imminently.

Ensemble forecast for Loon Mountain, USA at 290m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

United States Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Reliability

Loon Mountain typically enjoys a reliable snow season with an average snow depth of 60 to 100 inches. For the latest snow conditions, check J2Ski for up-to-date information on snowfall and conditions.

Off-Piste Safety in Loon Mountain

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