Simpsiö 7-Day Snow Forecast

Simpsiö Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 12 June 2026 01:42 PDT

Long-Range Snow Forecast for Simpsiö

Long-range (14 to 45 days) from 12 June.

For Forecast detail, see below.

Simpsiö Snow Forecast Highlights

When will there be fresh snow in Simpsiö?

Simpsiö Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (226ft)
Next Snow?
There is no snow currently in the forecast for Simpsiö.

Long-range Snow Outlook for Simpsiö

Snowfall

Snow Line

Max 72°F
Min 53°F

Snow unlikely

Simpsiö 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 Simpsiö from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Fri 12	Light drizzle.	Max 70°F Min 55°F
Sat 13	Cloudy.	Max 62°F Min 54°F
Sun 14	Cloudy.	Max 63°F Min 55°F
Mon 15	Clear sky.	Max 72°F Min 53°F
Tue 16	Light drizzle.	Max 70°F Min 54°F
Wed 17	Cloudy.	Max 67°F Min 60°F
Thu 18	Clear sky.	Max 65°F Min 55°F

No significant snowfall is forecast for this period.

This Snow Forecast for Simpsiö, Finland 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 Simpsiö, 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.

Simpsiö Snow Forecast updated at 01:42 PDT, next update expected 07:00 PDT.

Ensemble forecast for Simpsiö, Finland at 79ft

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

Simpsiö enjoys reliable snow conditions with an average snow depth of 70 cm during peak season. For the latest snow reports and details about snowfall, be sure to check J2Ski for up-to-date information.

Off-Piste Safety in Simpsiö

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