Keystone Weather
Weather Forecast for Keystone (2,840m to 3,720m)
Weather Outlook from 11 October.
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 22:40 AEDT, next update expected imminently.
Long-range Snow Outlook for Keystone
Snowfall
Snow Line
Max 18℃
Min -5℃
17cm New Snow
Snow Line from 3,319m to resort level (2,840m).
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Powder Alert!
Powder Alarm issued 12 October 2026 01:44 AEDT
Powder Possible :- 17cm of Fresh Snow is forecast for Keystone over the next 3 days.
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Keystone Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sun 11 |  | Clear sky at altitude, cloudy below. | Max 18℃ Min 6℃ |
| Mon 12 |  | Clear sky at altitude, fair below. | Max 14℃ Min 3℃ |
| Tue 13 |  | Light snow at altitude, light drizzle below. | Max 12℃ Min 2℃ |
| Wed 14 |  | up to 17cm New Snow | Max 7℃ Min 0℃ |
| Thu 15 | | Cloudy. | Max 5℃ Min -4℃ |
| Fri 16 |  | Clear sky. | Max 9℃ Min -5℃ |
| Sat 17 | | Clear sky. | Max 10℃ Min -3℃ |
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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 22:40 AEDT, next update expected imminently.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Keystone.United States Accommodation (Apartments, Chalets, 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.