Trollhaugen 7-Day Snow Forecast

Trollhaugen Long-Range Snow Forecast Updated today

ECMWF IFS

GEM

GFS

PROSubscribe to Switch Weather Model

Updated 09 September 2026 17:44 NZST

Long-Range Snow Forecast for Trollhaugen

Long-range (14 to 45 days) from 9 September.

For Forecast detail, see below.

Trollhaugen Snow Forecast Highlights

When will there be fresh snow in Trollhaugen?

Trollhaugen Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (327m)
Next Snow?
There is no snow currently in the forecast for Trollhaugen.

Long-range Snow Outlook for Trollhaugen

Snowfall

Snow Line

Max 40℃
Min 16℃

Snow unlikely

Partner Offers

Trollhaugen 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 Trollhaugen from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Wed 09	Cloudy.	Max 37℃ Min 23℃
Thu 10	Clear sky.	Max 37℃ Min 23℃
Fri 11	Cloudy.	Max 40℃ Min 21℃
Sat 12	Cloudy.	Max 40℃ Min 21℃
Sun 13	Cloudy.	Max 37℃ Min 21℃
Mon 14	Clear sky.	Max 36℃ Min 16℃
Tue 15	Fair.	Max 40℃ Min 21℃

No significant snowfall is forecast for this period.

This Snow Forecast for Trollhaugen, 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 Trollhaugen, 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.

Trollhaugen Snow Forecast updated at 17:44 NZST, next update expected 23:00 NZST.

Ensemble forecast for Trollhaugen, USA at 287m

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

Trollhaugen typically enjoys a snow depth of 30-50 inches, with reliable snowfall throughout the winter season. For the latest snow conditions, it's advisable to check J2Ski for updated information.

Off-Piste Safety in Trollhaugen

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