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 6 May.
Updated 06 May 2025 22:31 AEST.
| Next Snow Expected | 17 May |
|---|---|
| Next Snow Amount | 3cm |
| Next 48 Hours | 5cm |
| Next 7 Days | 7cm |
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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 7℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 3cm New Snow
Cloudy first, clear sky then clear spells, cloudy later.
Snow Line from 3,099m to 2,949m, with rain below.
Keystone has 5cm new snow forecast in the next 48 hours.
Keystone Snow Report
Snow report from Arapahoe Basin (7km from Keystone)
| Snow Conditions | - |
|---|
Keystone 7-Day Snow Forecast Overview
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| Tue 06 | Wed 07 | Thu 08 | Fri 09 | Sat 10 | Sun 11 | Mon 12 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F4 | E F4 | |||||
| 3,720m | -2℃
 +3cm
| -3℃
+1cm
| 2℃
 +1cm
| 4℃
+2cm
| 7℃
+1cm
| 10℃
| 11℃
|
| SE F3 | E F4 | ||||||
| 3,280m | 3℃
+1cm
| 2℃
+1cm
| 7℃
| 9℃
| 10℃
| 14℃
| 14℃
|
| E F3 | SE F3 | SW F2 | SW F3 | ||||
| 2,840m | 7℃
| 7℃
| 12℃
| 14℃
| 17℃
| 20℃
| 18℃
|
| Snow Line | varying 3,099m | varying 2,919m | varying 3,569m | varying 3,299m | 3,669m | ||
| Max Town | 7℃ | 7℃ | 12℃ | 14℃ | 17℃ | 20℃ | 18℃ |
| Min Town | -1℃ | -4℃ | -1℃ | 1℃ | 2℃ | 2℃ | 4℃ |
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 7℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 3cm New Snow
Cloudy first, clear sky then clear spells, cloudy later.
Snow Line from 3,099m to 2,949m, with rain below.
Max 7℃
Min -4℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ and rising to 7℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
07
up to 1cm New Snow
Cloudy.
Snow Line from 2,919m to resort level.
Max 12℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 12℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
08
up to 1cm New Snow
Cloudy, rain showers, clear spells later.
Snow Line from 3,569m to 3,299m, with rain below.
Max 14℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 14℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
09
up to 2cm New Snow
Light drizzle first, clear sky then rain showers, light drizzle later.
Snow Line from 3,299m to 3,169m, with rain below.
Max 17℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 17℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
10
up to 1cm New Snow
Cloudy, clear sky, rain showers later.
Snow falling to 3,669m, with rain below.
Max 20℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 20℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Light drizzle, clear sky, rain showers later.
Max 18℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 18℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Mon
12
Snow unlikely
Light drizzle, 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 piste 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 22:31 AEST, next update expected imminently.
Snow Forecast near Keystone
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Arapahoe Basin | 25cm | 29cm | |||||||
| Winter Park | 24cm | 27cm | |||||||
| Loveland Ski Area | 17cm | 18cm | |||||||
| Breckenridge | 3cm | 6cm | |||||||
| Copper Mountain | 2cm | 4cm |
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.