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Keystone Snow Forecast - 21st April 2025

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Keystone Snow Report and Forecast

Snow Forecast for Keystone

When will there be fresh snow?

This is the Snow Forecast for Keystone, United States for 16 days from 21 April.

Updated 21 April 2025 13:37 PDT.

Keystone Snow Forecast Highlights
Next Snow?
There is no snow currently in the forecast for Keystone.
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Keystone.

Forecast for today in Keystone

Max 50°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 50°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearFairCloud

Clear sky, fair, cloudy later.

Keystone has no new snow forecast in the next 48 hours.

Keystone Snow Report

Snow report from Arapahoe Basin (4 miles from Keystone)

Arapahoe Basin Snow Depths and Conditions.
Snow Conditions-

Keystone 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Keystone from OpenMeteo
Mon
21
Tue
22
Wed
23
Thu
24
Fri
25
Sat
26
Sun
27
WindW F4W F4SW F3SW F2SW F2
12,205ft
37°F
Clear
41°F
Clear
39°F
Cloud
40°F
Clear
39°F
Mixed
45°F
Clear
40°F
Clear
SW F3SW F3SW F2SE F2S F2SW F2
10,761ft
43°F
Clear
47°F
Clear
45°F
Cloud
45°F
Cloud
45°F
Mixed
50°F
Clear
46°F
Clear
SW F3SW F2SE F2SW F2SE F2S F3SW F2
9,318ft
50°F
Clear
55°F
Clear
51°F
Cloud
51°F
Cloud
53°F
Cloud
56°F
Clear
54°F
Clear
Snow Line
Max Town50°F55°F51°F51°F53°F56°F54°F
Min Town25°F29°F33°F33°F33°F32°F33°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.

Keystone Medium-Range (7-Day) Snow Forecast Detail

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.

Max 50°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 50°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearFairCloud

Clear sky, fair, cloudy later.

Max 55°F
Min 29°F

Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 55°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

Max 51°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 51°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Max 51°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 51°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

CloudCloudClearCloud

Cloudy, clear sky, cloudy later.

Max 53°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 53°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

MixedClearCloudCloud

Clear spells, clear sky, cloudy later.

Max 56°F
Min 32°F

Valley temperatures from an overnight low of 32°F to daytime highs around 56°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

CloudClearClearCloud

Cloudy, clear sky, cloudy later.

Max 54°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 54°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

CloudClearClearCloud

Cloudy, clear sky, cloudy later.

This Snow Forecast for Keystone, United States 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 Keystone, 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.

Keystone Snow Forecast updated at 13:37 PDT, next update expected 16:00 PDT.

Snow Forecast near Keystone

Snow Forecasts for Ski Resorts near Keystone
Snow Report and Forecast 48 HrMonTueWedThuFriSatSun 7 Day
Arapahoe Basin-1in
Winter Park-1in
Breckenridge--
Copper Mountain--
Loveland Ski Area--
Vail--

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.