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Keystone Snow Forecast - 31st July 2026

Keystone Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 30 July 2026 16:42 PDT

Snow Forecast for Keystone

Snow and Weather from 31 July.

For Forecast detail, see below.

Keystone Snow Forecast Highlights

When will there be fresh snow in Keystone?

Keystone Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (10,761ft)
Next Snow?
There is no snow currently in the forecast for Keystone.

Forecast for today in Keystone

Max 78°F
Min 52°F

Valley temperatures from an overnight low of 52°F to daytime highs around 78°F

Temperature at BaseTemp at Base

Fri
31

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Keystone 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Keystone from OpenMeteo(GFS)
Fri
31
Sat
01
Sun
02
Mon
03
Tue
04
Wed
05
Thu
06
WindSW F3SW F2SE F2SW F3SW F2
12,205ft
65°F
Fair
68°F
Clear
71°F
Cloud
70°F
Clear
65°F
Clear
66°F
Fair
66°F
Clear
SE F2SE F2SW F3SW F2
10,761ft
71°F
Clear
73°F
Clear
76°F
Cloud
75°F
Clear
70°F
Clear
71°F
Fair
71°F
Clear
S F2SE F2SW F3SW F2
9,318ft
78°F
Fair
79°F
Clear
81°F
Cloud
81°F
Clear
75°F
Clear
76°F
Fair
76°F
Clear
Snow Line
Max Town78°F79°F81°F81°F75°F76°F76°F
Min Town52°F53°F51°F55°F50°F47°F46°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.

Snow Reliability

Keystone typically enjoys a robust snowpack, with average snow depths reaching up to 80 inches during peak season. Regular snowfall ensures good conditions, but always check J2Ski for the latest snow updates.

Understanding and predicting Snow Conditions in Keystone

Here are our tips for making the most of a trip to Keystone, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Keystone, 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 Keystone 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 Keystone 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 Keystone 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.