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Chestnut Mountain Long-Range Snow Forecast - 18th May 2026

Chestnut Mountain Long-Range Snow Forecast Updated today

ECMWF IFS
GEM
GFS

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Updated 18 May 2026 10:41 PDT

Long-Range Snow Forecast for Chestnut Mountain

Long-range (14 to 45 days) from 18 May.

For Forecast detail, see below.

Chestnut Mountain Snow Forecast Highlights

When will there be fresh snow in Chestnut Mountain?

Chestnut Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (804ft)
Next Snow?
There is no snow currently in the forecast for Chestnut Mountain.

Long-range Snow Outlook for Chestnut Mountain

 
Snowfall

 
Snow Line

Max 93°F
Min 63°F

Snow unlikely

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Chestnut 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 Chestnut Mountain from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Mon
18
Clear

Clear sky.

Max 89°F
Min 63°F
Tue
19
Cloud

Cloudy.

Max 92°F
Min 64°F
Wed
20
Cloud

Cloudy.

Max 92°F
Min 67°F
Thu
21
Cloud

Cloudy.

Max 93°F
Min 66°F
Fri
22
Shwrs

Rain showers.

Max 83°F
Min 65°F
Sat
23
Drizzle

Drizzle.

Max 83°F
Min 65°F
Sun
24
Lt Drizzle

Light drizzle.

Max 86°F
Min 66°F

No significant snowfall is forecast for this period.

This Snow Forecast for Chestnut 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 Chestnut Mountain, 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.

Chestnut Mountain Snow Forecast updated at 10:41 PDT, next update expected 16:00 PDT.

Ensemble forecast for Chestnut Mountain, USA at 558ft

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

Snow Reliability

Chestnut Mountain typically experiences reliable snowfall, with an average snow depth ranging from 30 to 60 inches. For the latest snow conditions and updates, check J2Ski for accurate information.

Off-Piste Safety in Chestnut Mountain

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