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Keystone Weather Forecast - 7 to 16 days - 21st March 2026

Keystone Weather

ECMWF IFS
GEM
GFS

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Weather Forecast for Keystone (9,318ft to 12,205ft)

Weather Outlook from 21 March.

Keystone Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Keystone Weather Forecast updated at 16:46 PDT, next update expected imminently.

Long-range Snow Outlook for Keystone

 
Snowfall

 
Snow Line

Max 68°F
Min 36°F

Snow unlikely

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Keystone Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Keystone from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Sat
21
Clear

Clear sky.

Max 68°F
Min 43°F
Sun
22
Cloud

Cloudy.

Max 54°F
Min 40°F
Mon
23
Cloud

Cloudy.

Max 55°F
Min 36°F
Tue
24
Cloud

Cloudy.

Max 57°F
Min 37°F
Wed
25
Clear

Clear sky.

Max 63°F
Min 39°F
Thu
26
Clear

Clear sky.

Max 62°F
Min 39°F
Fri
27
Mixed

Clear spells.

Max 60°F
Min 36°F

No significant snowfall is forecast for this period.

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 Weather Forecast updated at 16:46 PDT, next update expected imminently.

Current Snow

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

United States Hotels Map

 

For more information about this American Ski Resort, See Also Skiing and Snowboarding in Keystone .

Off-Piste Safety in Keystone

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