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Olos Snow Forecast - 20th May 2026

Olos Snow Report and Forecast

ECMWF IFS
GFS

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Updated 20 May 2026 02:44 CDT

Snow Forecast for Olos

Snow and Weather from 20 May.

For Forecast detail, see below.

Olos Snow Forecast Highlights

When will there be fresh snow in Olos?

Olos Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (245m)
Next Snow?
There is no snow currently in the forecast for Olos.

Forecast for today in Olos

Max 20℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Wed
20

Snow unlikely

ShwrsLt DrizzleCloudLt Drizzle

Rain showers first, light drizzle then cloudy, light drizzle later.

Forecast times for Olos are in Helsinki (Europe/Helsinki) time zone.

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Olos 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Olos from OpenMeteo(ECMWF IFS)
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
Mon
25
Tue
26
WindSE F2W F3NE F3
340m
19℃
Lt Drizzle
17℃
Cloud
16℃
Fair
18℃
Lt Drizzle
12℃
Lt Drizzle
9℃
Hvy Drizzle
9℃
Cloud
SE F2W F3NE F3
245m
19℃
Lt Drizzle
17℃
Cloud
16℃
Fair
18℃
Lt Drizzle
12℃
Lt Drizzle
9℃
Hvy Drizzle
9℃
Cloud
SE F2W F3NE F3
150m
20℃
Lt Drizzle
18℃
Cloud
17℃
Fair
19℃
Lt Drizzle
13℃
Lt Drizzle
10℃
Hvy Drizzle
10℃
Cloud
Snow Line
Max Town20℃18℃17℃19℃13℃10℃10℃
Min Town10℃11℃9℃7℃10℃6℃3℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Snow Reliability

Olos enjoys reliable snow conditions, typically with a snow depth of 70-100 cm during peak season. The area regularly sees fresh snowfall, making it a great choice for winter sports enthusiasts; check J2Ski for the latest snow reports.

Understanding and predicting Snow Conditions in Olos

Here are our tips for making the most of a trip to Olos, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Olos, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Olos is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Olos will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Olos for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.