Tiirismaa 7-Day Snow Forecast

Tiirismaa Long-Range Snow Forecast Updated today

ECMWF IFS

GFS

PROSubscribe to Switch Weather Model

Updated 04 June 2026 18:45 PDT

Long-Range Snow Forecast for Tiirismaa

Long-range (14 to 45 days) from 5 June.

For Forecast detail, see below.

Tiirismaa Snow Forecast Highlights

When will there be fresh snow in Tiirismaa?

Tiirismaa Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (423ft)
Next Snow?
There is no snow currently in the forecast for Tiirismaa.

Long-range Snow Outlook for Tiirismaa

Snowfall

Snow Line

Max 74°F
Min 50°F

Snow unlikely

Tiirismaa 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 Tiirismaa from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Fri 05	Cloudy.	Max 71°F Min 57°F
Sat 06	Drizzle.	Max 67°F Min 57°F
Sun 07	Clear sky.	Max 71°F Min 52°F
Mon 08	Cloudy.	Max 73°F Min 50°F
Tue 09	Clear sky.	Max 74°F Min 58°F
Wed 10	Light drizzle.	Max 72°F Min 56°F
Thu 11	Clear sky.	Max 68°F Min 51°F

No significant snowfall is forecast for this period.

This Snow Forecast for Tiirismaa, 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 Tiirismaa, 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.

Tiirismaa Snow Forecast updated at 18:45 PDT, next update expected 00:00 PDT.

Ensemble forecast for Tiirismaa, Finland at 243ft

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

Tiirismaa enjoys reliable snow conditions, with an average depth of 100 cm during peak season. Regular snowfall and minimal snowmelt ensure excellent ski conditions, but it's best to check J2Ski for the latest updates.

Off-Piste Safety in Tiirismaa

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