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Lost Valley Snow Forecast - 12th August 2026

Lost Valley Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 11 August 2026 12:51 PDT

Snow Forecast for Lost Valley

Snow and Weather from 12 August.

For Forecast detail, see below.

Lost Valley Snow Forecast Highlights

When will there be fresh snow in Lost Valley?

Lost Valley Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (376ft)
Next Snow?
There is no snow currently in the forecast for Lost Valley.

Forecast for today in Lost Valley

Max 81°F
Min 63°F

Valley temperatures from an overnight low of 63°F to daytime highs around 81°F

Temperature at BaseTemp at Base

Wed
12

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Lost Valley are in Denver (US/Mountain) time zone.

Lost Valley 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Lost Valley from OpenMeteo(GFS)
Wed
12
Thu
13
Fri
14
Sat
15
Sun
16
Mon
17
Tue
18
WindSW F2
495ft
80°F
Clear
80°F
Cloud
73°F
Shwrs
77°F
Cloud
72°F
Cloud
74°F
Cloud
80°F
Clear
SW F2
376ft
80°F
Clear
81°F
Cloud
74°F
Shwrs
77°F
Cloud
72°F
Cloud
75°F
Cloud
80°F
Clear
SW F2
256ft
81°F
Clear
81°F
Cloud
74°F
Shwrs
78°F
Cloud
73°F
Cloud
75°F
Cloud
81°F
Clear
Snow Line
Max Town81°F81°F74°F78°F73°F75°F81°F
Min Town63°F62°F56°F52°F53°F58°F56°F

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.

United States Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Reliability

Lost Valley boasts excellent snow reliability, with an average snow depth of 150 cm and consistent snowfall throughout the season. For the latest snow conditions, check out the valuable information available on J2Ski.

Understanding and predicting Snow Conditions in Lost Valley

Here are our tips for making the most of a trip to Lost Valley, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Lost Valley, 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 Lost Valley is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, 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 Lost Valley 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 Lost Valley 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.